Captain America

## Steven Rogers / Captain America

* Absorbing Man - they are on opposite teams on Beyonder's Battleworld planet (first Secret Wars series), and also Cap captures him after a prison break (CA #3.50)
* Adam Warlock - Cap talks about the story of Warlock in Avengers #263
* Alicia Masters - they meet at the Richards engagement party (Fantastic Four #36) and wedding (An. #3)
* Angel - many team crossovers (since X-Men #9)
* Ant-Man - core Avengers (A #4-16 and later). Nicknames (for Giant-Man or Goliath): "Big Fella" (Tales to Astonish #58 - Avengers #56), "High-pockets" (A #10-32), "Big Boy" (#16), "Big Man" (#32 - An. #2). Nicknames (for Ant-Man): "Little Man" (A #93)
* Ares - *Enemy:* Ares aids Enchantress in a plot against Avengers (A #38), and they battle when Ares goes to war on three worlds (A #98-100)
* Arnim Zola - *Enemy*: old enemy
* Attuma - *Enemy:* foe of the Avengers (#26-27 and 272)
* Aurora - they take part in the final battle against Beyonder (Secret Wars II.9), and Alpha Flight and Avengers joined forces against Attuma (Avengers #272)
* Avalanche - *Enemy:* the Brotherhood waged war on the Avengers (Annual #10)
* Balder - the group of banished Agardians temporarily stay in Avengers Mansion (Thor #204 - Thor #213)
* Banshee - the reborn Jean Grey tells her story, involving Banshee (Fantastic 4 #286)
* Baron von Strucker - *Enemy:* arch enemy
* Baron Zemo - *Enemy:* the cause of Cap's hibernation, also major villain for the Avengers (from A #6). Nicknames: "Master of Evil" (A #6), "Evil One" (Tales of Suspense #60)
* Baron Zemo (Helmut) - *Enemy:*Masters of Evil capture Cap in the mansion of Avengers (#274)
* Batroc - *Enemy*:archenemy (since Tales of Suspense #75). Nickname: "Big Mouth" (TOS #75), "Big Man" (TOS #75 - CA #149), "Strong Man" (CA #105)
* Beast - many team crossovers (since X-Men #9), members of Avengers
* Beetle - *Enemy*: they take part in the big battle at the wedding of Reed and Susan Richards (Fantastic Four An. #3), villain for the Avengers (from A #28)
* Beta Ray Bill - briefly members of Avengers (i.e. ROM #66)
* Betty Ross - they have crossed paths through Avengers (e.g. #5)
* Bill Foster - allied through Avengers (from #32)
* Bishop - their teams join forces in Onslaught (X-Men #2.55)
* Black Bolt - Avengers first sees Black Bolt on TV from San Francisco (Amazing Adventures #8), and the Inhumans receive help from the Avengers (A #95-96)
* Black Knight - members of Avengers together from #71
* Black Panther - Panther calls Cap to Wakanda so together they can defeat Baron Zemo (Tales of Suspense #97-99), members of Avengers (on-off from #51). Nickname: "Old Friend" (A #76)
* Black Widow - *Enemy:* villain for the Avengers (#29-32) - *Ally:* occasionally join forces (from A #33), members of Avengers (#111-112)
* Blob - *Enemy:* the Brotherhood waged war on the Avengers (Annual #10)
* Boom-Boom - BB calls the Avengers to warn about The Beyonder (Secret Wars II.5)
* Box - they take part in the final battle against Beyonder (Secret Wars II.9)
* Bulldozer - *Enemy:* they are on opposite teams on Beyonder's Battleworld planet (first Secret Wars series), and Wrecking Crew capture Cap in the mansion of Avengers (#274)
* Caliban - they join forces to end the spell that Kulan Gath put on New York (X-Men #191)
* Callisto - they join forces to end the spell that Kulan Gath put on New York (X-Men #191)
* Cannonball - Cap remembers the Kulan Gath battles (X-Men #191), they join forces against Beyonder (Secret Wars II.1), but New Mutants attack when they are Beyonder's slaves (SW II.9), also meet South of Emma Frost's academy (New Mutants #40) and later
* Captain Britain - they meet in Wakanda in Excalibur #59-60
* Captain Marvel - Rick Jones tells the Avengers about Marvell (A #72), and they join forces against Skrull impostors (#92-93) and Mar-Vell helps Avengers defeat the Hydra cell of Space Phantom (#108)
* Carol Danvers - they have worked together many times (since Avengers #90)
* Chameleon - *Enemy:* they clash after Chameleon poses as Cap to infiltrate Stark Industries (Tales of Suspense # 58)
* Charles Xavier - many team crossovers (since X-Men #9)
* Cloak - together they have battled the Beyonder (Secret Wars II.9), and the Jester's Assembly of Evil (C&D #3.9)
* Cobra - *Enemy*: they take part in the big battle at the wedding of Reed and Susan Richards (Fantastic Four An. #3), and Cap has brought Cobra to justice (CA An. #10)
* Collector - *Enemy*: the Collector captures all the Avengers for his Earth-based collection (A #28), later abducts Cap again (Avengers #172)
* Colossus - they are allies on Beyonder's Battleworld planet (first Secret Wars series), against Dire Wraiths (ROM #65-66), and in the final battle against Beyonder himself (SW II.9)
* Contessa Valentina - they first meet when Cap and Nick Fury have a impromptu judo session (Strange Tales #159, again in #162) and do missions for SHIELD (since CA #145)
* Count Nefaria - *Enemy:* foes since the battle in Nefaria's American castle (Avengers #13), confronted again in the Savage Land (CA #3.29), also both are involved in the battle at The Raft in New Avengers #1-3
* Crossbones - *Enemy:* both were involved in the battle on The Raft in New Avengers #2-3
* Crystal - they talk on video screen from the Refuge (Avengers #110), members of Avengers
* Cyclops - many team crossovers (since X-Men #9)
* Dagger - join forces against the Beyonder (Secret Wars II.9), and the Jester's Assembly of Evil (C&D #3.9)
* Daredevil - they meet at the wedding of Reed and Susan Richards (Fantastic Four An. #3), DD is tricked into attacking Cap in Madison Square Garden (DD #43), after thatoften allies (e.g. Avengers #82 and New Avengers #2). Nicknames: "Big Mouth" (DD #43), "Horn-head" (CA #151)
* Darkhawk - they have met (mentioned in DH #26)
* Dazzler - they join forces against Beyonder (Secret Wars II.1), but X-Men and Avengers go through a series of battles after remnants of Magneto's Asteroid M are found (XM vs A #1-4)
* Diamondback - they have cooperated, and romanced?
* Dino Manelli - they apparently collaborated during WW2 (as shown in Captain America An. #9)
* Doctor Doom - *Enemy:* Hawkeye randomly namedrops Doom (Avengers #20, 24), he occasionally attacks the Avengers (since #25), and they are on opposite teams on Beyonder's Battleworld planet (first Secret Wars series)
* Doctor Druid - members of Avengers (from #278)
* Doctor Octopus - Cap sees Octopus when he consumes the Herodotron data (Avengers An. #2), later they are on opposite teams on Beyonder's Battleworld planet (first Secret Wars series)
* Doctor Strange - they meet at the wedding of Reed and Susan Richards (Fantastic Four An. #3) and the wedding of Wasp and Ant-Man (Avengers #60), they join forces to end the spell that Kulan Gath put on New York (X-Men #191) and on many later occasions
* Doug Ramsey - New Mutants attack all assembled heroes after becoming Beyonder's slaves (Secret Wars II.9), and they also clash South of Emma Frost's academy (New Mutants #40)
* Dragon Man - Cap hears of the battle between Hercules and Dragon Man (Avengers #42), and also Goliath talks of Dragon Man being in his suburban house (#58)
* Dum Dum Dugan - they meet when Cap tries to retire (Tales of Suspense #96), and Dugan and SHIELD has often joined forced with Cap or the Avengers (since CA #120). In retcon they collaborated during WW2 (as shown in Captain America An. #9)
* Edwin Jarvis - butler of the Avengers (since Tales of Suspense #59)
* Electro - *Enemy*: they take part in the big battle at the wedding of Reed and Susan Richards (Fantastic Four An. #3), later Electro gets captured by New Avengers (in #4)
* Emma Frost - Avengers discuss Emma Frost after she reports Magneto to the police (New Mutants #40)
* Enchantress - *Enemy:* archenemy of Avengers (since #7), and they are on opposite teams on Beyonder's Battleworld planet (first Secret Wars series)
* Executioner - *Enemy:* enemy of Avengers (since #7). Nickname: "My Pug-ugly Friend" (Fantastic Four An. #3)
* Falcon - great friends since they first meet on the island of The Exiles (CA #117), regular superhero partners (since #133), and members of Avengers. Nicknames: "Old Friend" (CA #141, 150), "Sidekick" (A #88), "Old Buddy" (CA #149-151)
* Fandral - the group of banished Agardians temporarily stay in Avengers Mansion (Thor #204-213)
* Firelord - he travels with the Avengers (#259)
* Firestar - both members of Avengers
* Fixer - *Enemy:*Masters of Evil capture Cap in the mansion of Avengers (#274)
* Foggy Nelson - they meet at the wedding of Reed and Susan Richards (Fantastic Four An. #3), both are involved in the battle on The Raft in New Avengers #2-3
* Franklin Richards - for a period, the FF lived with the Avengers
* Gabe Jones - Cap sees Jones when he consumes the Herodotron data (Avengers An. #2), and they liaise as SHIELD and Avengers in the hunt for Scorpio (A #72). They apparently collaborated during WW2 (as shown in Captain America An. #9)
* Galactus - they are on opposite teams on Beyonder's Battleworld planet (first Secret Wars series)
* Gambit - their teams join forces in Onslaught (X-Men #2.55)
* Gargoyle - they are part of the mass of heroes that defeat the Dire Wraiths (ROM #65-66)
* General Ross - they have crossed paths through Avengers (e.g. #5), and when Hulk once again is captured (Hulk #152)
* Ghost Rider (DK) - Cap watches a TV parody show including Ghost Rider (CA # 3.50)
* Green Goblin - Avengers hear that Goblin succesfully fought Spider-Man (#18)
* Grey Gargoyle - *Enemy*: they take part in the big battle at the wedding of Reed and Susan Richards (Fantastic Four An. #3), they battle when Gargoyle attempts to make a stone soldier army (CA #140-141), and several times later
* Happy Hogan - Cap saves Happy at a power station construction site (Tales of Suspense #58)
* Havok - X-Men and Avengers go through a series of battles after remnants of Magneto's Asteroid M are found (XM vs A #1-4), later members of Avengers Unity Squad
* Hawkeye - core members of Avengers (from A #16). Nicknames: "Feather-brain" (A #20), "Robin Hood" (A #20, 24), "Loudmouth" (#20, 28), "Hot-shot" (#21), "Big Mouth" (#21-26), "William Tell" (#26), "Bow-slinger", "Bow-stringer" and "Archer" (#56), "Boy Hero" (An. #2), "Old Friend" (#70), "Bowman" (#100) ................. "Circus Boy" (CA #3.4)............Nicknames (for Goliath): "Tall Man" (A #69), "Big Man" (#69-95)
* Henry Gyrich - Gyrich is national security liaison for the Avengers (until #172)
* Hercules - Hercules lives with the Avengers (since A #38), both membes (#45-48)
* Hildegarde - the group of banished Agardians temporarily stay in Avengers Mansion (Thor #204-211)
* Hogun - the group of banished Agardians temporarily stay in Avengers Mansion (Thor #204-211)
* Hulk - *Ally*: Hulk is first mentioned by Rick Jones (Avengers #4), numerous meets and clashes (e.g. CA #110), later both members of Avengers(?) - *Enemy:* there is a big battle involving the Fantastic Four (Fa Fo #26), and a battle where Hulk fough both Avengers and WCA (shown in Hulk #393). Nicknames: "Big Man" (Fantastic Four #26), "Big Guy" (Secret Wars #2)
* Human Torch - many team crossovers (since Fantastic Four #26), and FF resided at Avengers Mansion for a while
* Human Torch (Android) - know each other in WW2, founding members of Invaders
* Hydro-Man - *Enemy:* they battle when Hydro-Man is in the Jester's Assembly of Evil (Cloak & Dagger #3.9) and the battle at The Raft in New Avengers #1-3
* Iceman - many team crossovers (since X-Men #9)
* Immortus - *Enemy:* arch enemy of Avengers (from #10)
* Iron Fist - they take part in the final battle against Beyonder (Secret Wars II.9)
* Iron-Man - core Avengers (A #4-16 and from An. #1). Nicknames: "Masked Man" (Spider-Man An. #3), "Old Friend" (Tales of Suspense #95, Iron Man #18), "Shell-head" (A #80 - TOS #2.1) ............. "Bulletman" (An. CA #9)
* Izzy Cohen - they apparently collaborated during WW2 (as shown in Captain America An. #9)
* J. Jonah Jameson - Hawkeye mentions Jameson and his newspaper (An. Spider-Man #3), then Cap goes to him to get information on Suprema (CA #123)
* Jasper Sitwell - they join forces after Suprema hypmotize the SHIELD agents (CA #123)
* Jean Grey - many team crossovers (since X-Men #9)
* Jessica Jones - friends through Luke Cage (e.g. New Avengers #3)
* Jimmy Woo - Cap introduces Jimmy Woo to Nick Fury and SHIELD (Strange Tales #160)
* John Jameson - they have cooperated
* Julia Carpenter - they are allies on Beyonder's Battleworld planet (first Secret Wars series), later in Avengers / WCA (e.g. in Bloodties)
* Kang - *Enemy:* archenemy of Avengers (from A #8).Nickname: "Madman" (A #23)
* Karen Page - they meet at the wedding of Reed and Susan Richards (Fantastic Four An. #3)
* Karma - New Mutants attack all assembled heroes after becoming Beyonder's slaves (Secret Wars II.9), and they also clash South of Emma Frost's academy (New Mutants #40)
* Ka-Zar - joined forces several times (i.e. Avengers #256-257)
* Kingpin - *Enemy*: they battle after Kingpin has affiliated with Hydra, but then ally against Red Skull and the 5th Sleeper (Captain America #147-148)
* Klaw - they are on opposite sides on Beyonder's Battleworld planet (first Secret Wars series)
* Leader - *Enemy:* they have done battle
* Living Laser - *Enemy*: classic enemy of the Avengers and Cap (since A #34). Nickname: "Little Mary Sunshine" (A #35)
* Lizard - they are on opposite teams on Beyonder's Battleworld planet (first Secret Wars series)
* Luke Cage - they take part in the final battle against Beyonder (Secret Wars II.9), later members of New Avengers (from #4)
* Luna Maximoff - the Avengers seek to liberate her in the Bloodties crossover
* Machine Man - in Avengers together(?)(shown in X-51 #2)
* Mad Thinker - *Enemy*: they take part in the big battle at the wedding of Reed and Susan Richards (Fantastic Four An. #3), and classic villain for the Avengers (from #39)
* Magik - they join forces to end the spell that Kulan Gath put on New York (X-Men #191), and against Beyonder (Secret Wars II.1), but New Mutants attack the heroes after becoming Beyonder's slaves (SW II.9), and they also clash South of Emma Frost's academy (New Mutants #40)
* Magma - Cap remembers the battles in the New York created by Kulan Gath (X-Men #191), later New Mutants attack all assembled heroes after becoming Beyonder's slaves (Secret Wars II.9), and they also clash South of Emma Frost's academy (New Mutants #40)
* Magneto - *Enemy*: they battle in Westchester after Magneto has captured the X-Men (Avengers #110-111), and South of Emma Frost's academy (New Mutants #40) and later - *Ally*: they have met several times (since Cap America Ann #4), and are allies on Beyonder's Battleworld planet (first Secret Wars series) and more. Nickname: "Madman" (A #110)
* Mandarin - *Enemy*: they take part in the big battle at the wedding of Reed and Susan Richards (Fantastic Four An. #3), Mandarin battles Avengers several times (A #20, An. #1), and captures Cap in Vietnam (CA #125)
* Maria Hill - as director of SHIELD, Hill liaises with New Avengers (from #4)
* Marvel Boy - Cap once rejected MB's application to Avengers (shown in New Warriors An. #1), but later both are members of Avengers
* Mary Jane Watson - Spider-Man mentions his wife in New Avengers #4
* Maximus - *Enemy:* they battle on Attilan (Avengers #95)
* Meggan - they meet in Wakanda in Excalibur #59-60
* Mephisto - Doctor Doom tells Cap his mother's soul is held by Mephisto (Secret Wars #11)
* Merlyn - Black Knight tells the Avengers about Enchantress and Merlyn forging the Ebony Blade (A #100)
* Mirage - Cap remembers the battles in the New York created by Kulan Gath (X-Men #191), later New Mutants attack all assembled heroes after becoming Beyonder's slaves (Secret Wars II.9)
* Mister Hyde - *Enemy*: they take part in the big battle at the wedding of Reed and Susan Richards (Fantastic Four An. #3), they battle when Hyde and Scorpion want revenge over SHIELD (CA #151-152), laterMasters of Evil capture Cap in the mansion of Avengers (A #274) and more
* Mockingbird - they join forces against Hulk (shown in Hulk #393), the Dire Wraiths (ROM #65-66), as well as fighting The Beyonder (Secret Wars II.5, II.9)
* MODOK - *Enemy*: archenemy (since Tales of Suspense #93)
* Moira MacTaggert - Moira watches the demise of Avengers as TV-news in Excalibur #102
* Mole Man - *Enemy:* classic villain for the Avengers and Cap (since Fantastic Four #31, Avengers #12)
* Monica Rambeau - members of Avengers together
* Moondragon - they are part of the mass of heroes that defeat the Dire Wraiths (ROM #65-66)
* Moonstone - *Enemy:*Masters of Evil capture Cap in the mansion of Avengers (#274)
* Mystique - *Enemy:* the Brotherhood waged war on the Avengers (Annual #10)
* Nick Fury - in timeline, Cap first dreams of joining Fury in SHIELD (Avengers #18), they meet at the wedding of Reed and Susan Richards (Fantastic Four An. #3). It is then pointed out that they had a history in the war together (Tales of Suspense #78), and starting there they have since had many collaborations. In contrast, Fury at one point clearly states he did not know Cap in the war (CA #109). Nicknames: "Sarge" and "Soldier" (TOS #78), "Old Friend" (Strange Tales #159 - CA #153)
* Nightcrawler - they are allies on Beyonder's Battleworld planet (first Secret Wars series), and against the Dire Wraiths (ROM #65-66). Nickname: "Elf" (X-Men #191)
* Nighthawk - *Enemy*: they face off high up in the air when Nighthawk represents Grand-Master (Avengers #70)
* Nightmare - *Enemy*: Nightmare holds him capture in his dreamworld (Captain America #3.12)
* Nomad - *Enemy*: 50's Captain America and Jack go to war on real Cap, Falcon and Sharon Carter in Harlem and Bahamas (CA #154-156) - *Ally*: they have cooperated (e.g. Nomad #1)
* Northstar - they take part in the final battle against Beyonder (Secret Wars II.9), and Alpha Flight and Avengers joined forces against Attuma (Avengers #272)
* Nova - Doctor Doom talks of Galactus being found by Nova (Secret Wars #11)
* Nova (Richard Rider) - Cap mentions Nova took Avengers' Quinjet (New Warriors #26), but he helps Nova a little bit when defeating Diamondhead (Nova #3.2)
* Patriot - they used to work together against the nazis in WW2 (shown in CA An. #13)
* Peggy Carter - lover in youth (shown in flashback in Tales of Suspense #77), they reunite when Peggy is freed from Dr. Faustus (CA #162). Nicknames: "My Dearest" and "My Darling" (TOS #77 flashback), "Mademoiselle" (CA #162)
* Pepper Potts - Cap meets her when Chameleon is arrested (Tales of Suspense #58)
* Percival Pinkerton - they apparently collaborated during WW2 (as shown in Captain America An. #9)
* Pete Wisdom - Shadowcat and Pete discuss the death of Captain America in Excalibur #102
* Piledriver - *Enemy:*they are on opposite teams on Beyonder's Battleworld planet (first Secret Wars series), and Wrecking Crew capture Cap in the mansion of Avengers (#274)
* Power Man - *Enemy:* archenemy of the Avengers (from #21). Nicknames: "Musclebound", "Big Man" and "Smart Guy" (A #22), "Strong Man" (#29)
* Psylocke - their teams join forces in Onslaught (X-Men #2.55)
* Puck - they take part in the final battle against Beyonder (Secret Wars II.9), and Alpha Flight and Avengers joined forces against Attuma (Avengers #272)
* Punisher - Dum Dum Dugan discusses Punisher with Captain America and Falcon (CA #3.25), and Cap also watches a TV parody show including Punisher (#3.50)
* Pyro - *Enemy:* the Brotherhood waged war on the Avengers (Annual #10)
* Quicksilver - core members of Avengers (A #16-104)
* Rachel Summers - Cap remembers the battles in the New York created by Kulan Gath (X-Men #191), and they join forces against Beyonder (Secret Wars II.1, 9)
* Radioactive Man - *Enemy:* major villain for the Avengers (from #6)
* Rage - Rage has visited the Avengers (New Warriors #26)
* Reb Ralston - they apparently collaborated during WW2 (as shown in Captain America An. #9)
* Red Skull - *Enemy:* archenemy (since Captain America Comics #7). Nickname: "Madman" (CA #129)
* Reed Richards - many team crossovers (since Fantastic Four #26), and FF resided at Avengers Mansion for a while
* Rick Jones - they work together many times through the Avengers, where Cap sees Rick as his protegee (A #4-16) and Rick even used Bucky's costume (from CA #110). Nickname: "Little Friend" (A #12)
* Robbie Robertson - they run into each other outside Nick Fury's apartment and chat (CA #127)
* Rogue - *Enemy:* Rogue nearly slaughtered all the Avengers (A An. #10), and X-Men and Avengers go through a series of battles (XM vs A #1-4) - *Ally:* on Beyonder's Battleworld planet (first Secret Wars series) and several other crossovers, and become members of Avengers Unity Squad
* Ronan *- Enemy:* they have done battle on the Kree homeworld (mentioned in Avengers Strikefile)
* Sabretooth - Wolverine mentions Sabretooth after a battle (All-New X-Men #14)
* Sandman - Cap sees Sandman when he consumes the Herodotron data (Avengers An. #2)
* Sauron - *Enemy:* they battle in the Savage Land in New Avengers #5
* Scarlet Witch - core members of Avengers (from#16)
* Scorpion - *Enemy*: they fight as Scorpion randomly attacks Cap and again at the bust of a spy ring (CA #122), and battle when Hyde and Scorpion want revenge over SHIELD (#151-152). Nickname: "Bright Eyes" (CA #151)
* Selene - Cap remembers the battles in the New York created by Kulan Gath (X-Men #191)
* Sentry - members of New Avengers
* Sersi - members of Avengers
* Shadowcat - they join forces against Beyonder (Secret Wars II.1, II.9), also meet in Wakanda (Excalibur #59-60), later the X-Men are confronted by Avengers Unity Squad (All-New X-Men #12-13)
* Shaman - they take part in the final battle against Beyonder (Secret Wars II.9), and Alpha Flight and Avengers joined forces against Attuma (Avengers #272)
* Shanna the She-Devil - apparently know each other (i.e. CA #3.29)
* Sharon Carter - they first cross paths in the hunt for the Inferno 42 element (Tales of Suspense #75) and when Cap saves her from Hydra he gets a crush on her (#85), long-time ally (since #93), start dating (#95), on-again off-again lovers for many years. Nicknames: "Little Girl" (TOS #93), "Little Lady" (TOS #93, CA #103), "My Darling" (CA #116-146)
* She-Hulk - she and FF resided at Avengers Mansion for a while, later members of Avengers together
* Sif - the group of banished Agardians temporarily stay in Avengers Mansion (Thor #204-210)
* Silver Surfer - they take part in the final battle against Beyonder (Secret Wars II.9)
* Sin - *Enemy*: they have been deadly enemies (shown in CA #350)
* Snowbird - they take part in the final battle against Beyonder (Secret Wars II.9), and Alpha Flight and Avengers joined forces against Attuma (Avengers #272)
* Speed Demon - *Enemy*: four Avengers square off in a game against four from Squadron Sinister (A #70)
* Spider-Man - Cap first hears of Spider-Man through newsreels (Tales to Astonish #59) and from Reed Richards (SM An. #1), next Spidey saves the Avengers from Kang's Spider-Man robot (Avengers #11), they meet at the wedding of Reed and Susan Richards (Fantastic Four An. #3), later they often join forces, and both are members of New Avengers (from #4)
* Spider-Woman (JD) - allies and members of Avengers
* Spitfire - bronze age members of Invaders together
* Starfox - members of Avengers together (until #261)
* Storm - they are allies on Beyonder's Battleworld planet (first Secret Wars series) and also join forces to end the spell that Kulan Gath put on New York (X-Men #191), but X-Men and Avengers go through a series of battles after remnants of Magneto's Asteroid M are found (XM vs A #1-4)
* Sub-Mariner - *Enemy:* Namor attacks the Avengers (#4) - *Ally:* members of Invaders and Avengers (#262-272)
* Sunspot - Cap remembers the battles in the New York created by Kulan Gath (X-Men #191)
* Super-Skrull - *Enemy*: they take part in the big battle at the wedding of Reed and Susan Richards (Fantastic Four An. #3)
* Supreme Intelligence - they meet on Hala after the Intelligence has allied with Rick Jones (Avengers #97)
* Susan Richards - many team crossovers (since Fantastic Four #26), and FF resided at Avengers Mansion for a while
* Swordsman - *Enemy:* classic villain for the Avengers (from #19) - *Ally*: they join forces against Ares and his war on three worlds (A #100)
* Talisman - they take part in the final battle against Beyonder (Secret Wars II.9)
* Thanos - Starfox tells him about Thanos in Avengers #259
* The Thing - many team crossovers (since Fantastic Four #26)
* The Watcher - Watcher confides with Avengers after their battles with Leonard Tippit (#101)
* Thor - core Avengers (A #4-16 and from An. #1). Nickname: "Goldilocks" (A An. #1)
* Thunderball - *Enemy:*they are on opposite teams on Beyonder's Battleworld planet (first Secret Wars series), and Wrecking Crew capture Cap in the mansion of Avengers (#274)
* Thunderstrike - Thunderstrike associates with Avengers (e.g. Thunderstrike #2)
* Tiger Shark - *Enemy:*Masters of Evil capture Cap in the mansion of Avengers (#274), and also both were involved in the battle on The Raft in New Avengers #2-3
* Tigra - they join forces against Hulk (shown in Hulk #393), the Dire Wraiths (ROM #65-66), as well as fighting against The Beyonder (Secret Wars II.5, II.9)
* Titania - they are on opposite sides on Beyonder's Battleworld planet (first Secret Wars series), later Cap brings her a necklace from Absorning Man (CA #3.50)
* Toad - Quicksilver tells him about Toad in Avengers #75
* Toro - know each other in WW2, founding members of Invaders
* Trapster - *Enemy:* Avengers contact Paste-Pot Pete while he is in prison (Avengers #6), later they battle as Trapster holds Sharon Carter hostage (CA #108)
* Triton - Triton and the Inhumans get help from the Avengers (#95-96)
* Typhoid Mary - *Enemy:* both were involved in the battle on The Raft in New Avengers #2-3
* U. S. Agent - they clashed when Walker was Super-Patriot (shown in CA #350, and they are rivals for the Captain America title (until #350), later both in Avengers / WCA (e.g. in Bloodties)
* Valerie Cooper - they meet as she becomes head of The Committee which oversees his actions (CA #350)
* Valkyrie - they are part of the mass of heroes that defeat the Dire Wraiths (ROM #65-66)
* Vindicator - Alpha Flight and Avengers joined forces against Attuma (Avengers #272)
* Viper - *Enemy:* archenemy since Viper first struck down Cap in a tunnel beneath Manhattan (CA #110)
* Vision - allies through the Avengers (e.g. #58) and members together. Nickname: "Android" (A #78, 104)
* Volstagg - the group of banished Asgardians temporarily stay in Avengers Mansion (Thor #204-213)
* Warlock - Cap remembers the battles in the New York created by Kulan Gath (X-Men #191), later New Mutants attack all assembled heroes after becoming Beyonder's slaves (Secret Wars II.9), and they also clash South of Emma Frost's academy (New Mutants #40)
* War Machine - they are in Avengers and WCA - also (prior?) against Dire Wraiths (ROM #65-66)
* Wasp - core Avengers (A #4-16 and later). Nickname: "Little Lady" (A #12)
* Whirlwind - *Enemy*: they take part in the big battle at the wedding of Reed and Susan Richards (Fantastic Four An. #3), clash again when Whirlwind invades Avengers Mansion (A #4), and when Batroc's Brigade attack Cap in California (CA #130)
* Whizzer - they clash at Avengers Mansion (#153)
* Winter Soldier - best friend and ally since origin (Captain America Comics #1). Nicknames: "Sonny Boy" (CAC # 1), "Bucky Old Boy" and "Bucky Lad" (#4), "Bucky Boy" (#14, 20), "Bucky M'Boy" (#15), "Bucky M'Lad" (#16 and All Winners Comics #5), "Little Partner" (Tales of Suspense #63)(retro), "Li'l Buddy" (Avengers #56)(retro)
* Wolfsbane - Cap remembers the battles in the New York created by Kulan Gath (X-Men #191), later New Mutants attack all assembled heroes after becoming Beyonder's slaves (Secret Wars II.9), and they also clash South of Emma Frost's academy (New Mutants #40)
* Wolverine - they are allies on Beyonder's Battleworld planet (first Secret Wars series), battle after remnants of Magneto's Asteroid M are found (XM vs A #1-4), have other crossovers, and members of New Avengers (from #5). Later it is said they joined forces in 1941 in Madripoor (retold in X-Men #268),
* Wonder Man - associated himself with the early Avengers (from #9), also full member (from #156)
* Wrecker - *Enemy:*they are on opposite teams on Beyonder's Battleworld planet (first Secret Wars series), and Wrecking Crew capture Cap in the mansion of Avengers (#274)
* X-Man - X-Man meets with the Avengers to warn them about Onslaught (Onslaught: X-Men)
* Zeus - Hercules briefly mentions Zeus (ROM #66)