What If...? - Season 1

The first season tells 9 stories (originally planned 10, but due to the COVID-19 pandemic one of them was postponed) from alternate universes that arose after the events of Loki. Episode 1 of the series finds Peggy Carter taking the super serum instead of Steve Rogers and Episode 2 poses the question of what if T'Challa (the final role for Chadwick Boseman) became Star-Lord, among other alternate scenarios. Despite the format of the anthologies, all the episodes of Season 1 are linked by a coherent plot. Season 1 of What If...? premiered on Disney+ on August 11, 2021. 
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=Handguns=
==Beretta 92SB==
General Ross, enraged, shoots Hulk several times with what appears to be an olive-colored Beretta 92SB in "What If... The World Lost Its Mightiest Heroes?" (S1E03), but of course, this does not harm him in any way. Sharon Carter is armed with the same gun in "What If... Zombies!?" (S1E05). She uses it when she and Happy stumble upon Zombie Hawkeye and a small crowd of other zombies. During the fight, the pistol is destroyed by a shot from the Iron Man Gauntlet of the Zombie Happy. James Rhodes is armed with a pistol in "What If... Killmonger Rescued Tony Stark?" (S1E06). He pulls out his pistol when the alarm goes up and then shoots the Black Panther several times. T'Challa draws out the pistol, explaining that he will not harm Rhodes. 
==Colt M1911A1==
During the liberation of allied prisoners of war, Bucky Barnes and Captain Carter are armed with Colt M1911A1 pistols in "What If... Captain Carter Were The First Avenger?" (S1E01). 
==Colt M1917 Revolver==
As in the original film, Dum Dum Dugan carries a holstered Colt M1917 revolver but does not use it in "What If... Captain Carter Were The First Avenger?" (S1E01).
thumb|350px|none|Colt M1917 Revolver - .45 ACP 
==Electric Blaster==
An Electric Blaster is used by Nebula in "What If... T'Challa Became a Star-Lord?" (S1E02). She first points her pistol at T'Challa in the Royal Talon Fighter after betraying the Ravagers. In the prison, she suddenly kills Corvus Glaive. During the escape from the Collector's Museum, Nebula shoots at Proxima Midnight and Cull Obsidian.
==Glock 17==
Black Widow uses a Glock 17 instead of her Glock 26 during the Avengers mission on the Golden Gate Bridge in "What If... Zombies!?" (S1E05). Later in the episode, Bucky Barnes uses the Glock 17 with custom slide and trigger when he arrives at Camp Lehigh with his survivor group. He takes it out of an invisible holster and holds it while checking abandoned buildings and later, during the final battle with Zombie Scarlet Witch. Black Widow briefly holds a Glock 17 again during the famous Avenger posing scene in "What If... Killmonger Rescued Tony Stark?" (S1E06). Ulysses Klaue also uses the pistol in the same episode. He pulls it out of the holster during the attack on the Churchill ship but immediately hides in the shadows. Black Widow also carries the Glock 17 in "What If... Ultron Won?" (S1E08) and uses it during an Ultron Sentries attack at the HYDRA Siberian Facility. Natasha continues to use her pistol in "What If... The Watcher Broke His Oath?" (S1E09), notably during her first encounter with the Guardians of the Multiverse. 
==Glock 19==
A robber at the pizzeria raises what appears to be a Glock 19 and kills Christine Palmer in "What If... Doctor Strange Lost His Heart Instead of His Hands?" (S1E04). 
==Glock 26==
The Black Widow's Glock 26 is briefly seen during a recap of the events of The Avengers in "What If... The World Lost Its Mightiest Heroes?" (S1E03). Natasha tries to defend herself with a pistol from a mysterious Avenger killer in Manassas Public Library, but he quickly knocks the gun out of her hands. 
thumb|none|300px|Glock 26 - 9x19mm Parabellum
==Luger P08==
A HYDRA assassin named Heinz Kruger armed with a Luger P08 pistol during sabotage at SSR Brooklyn Facility in "What If... Captain Carter Were The First Avenger?" (S1E01). In the episode, Kruger targets and kills Chester Phillips and wounds Steve, instead of killing Abraham Erskine from the original film. 
==Mauser C96==
In "What If... Captain Carter Were The First Avenger?" (S1E01), Johann Schmidt, aka "The Red Skull", uses a Mauser C96 pistol to eliminate General Roeder.
==Springfield Armory 1911 Loaded MC Operator==
Like in the movie, Erik Killmonger is armed with a Springfield Armory Loaded MC Operator pistol in "What If... Killmonger Rescued Tony Stark?" (S1E06). He uses it only a couple of times: first after being exposed by Stark, trying to protect himself from Stark Liberator Drone, and then on the border with Wakanda, killing Ulysses Klaue. 
 
==Toy Gun==
Peter Parker shoots Sharon Carter in the head with a toy gun in the "So You Wanna Survive the Zombie Apocalypse" tutorial video in "What If... Zombies!?" (S1E05). 
==Quad Blasters==
A Quad Blasters are used by T'Challa as Star-Lord throughout the "What If... T'Challa Became a Star-Lord?" (S1E02). He fires his blaster at the lock on Howard the Duck's cell, freeing him. Peter "Star-Lord" Quill also attacks Ultron Sentries on Sovereign in "What If... Ultron Won?" (S1E08). T'Challa "Star-Lord" continues to use his twin blasters throughout "What If... The Watcher Broke His Oath?" (S1E09). First, it is briefly visible on the belt during Ego's Expansion, then T'Challa aims them at Natasha when she stole the Infinity Stone, and after that, the blasters are seen several times during the battle with the Ultron (including when referring to the famous scene with the posing of the Avengers). After defeating Ultron, T'Challa teaches his new friend Peter Quill how to shoot a blaster. 
==Walther PPK==
As in the original film, Peggy Carter is armed with a Walther PPK pistol in "What If... Captain Carter Were The First Avenger?" (S1E01). She uses it to kill Kruger and after that drops the gun to the floor while helping the injured Steve. 
==Webley Mk VI==
During the liberation of allied prisoners of war, James Montgomery Falsworth is armed with Webley Mk VI in "What If... Captain Carter Were The First Avenger?" (S1E01). 
=Submachine Guns=
==M1A1 Thompson==
When Captain Carter rescues captives from the 107th Infantry Regiment, Gabe Jones engages in combat with the HYDRA soldiers using an M1A1 Thompson in "What If... Captain Carter Were The First Avenger?" (S1E01). After that, all Howling Commandos' members appear with the Thompson. They are also armed with Thompsons during the attack on the Schnellzug EP912 Train. James Montgomery Falsworth and Bucky Barnes and several other members of the Howling Commandos also use the M1A1 Thompson later in the episode.
==MP40==
The HYDRA soldiers use MP40 submachine guns as their main weapon throughout "What If... Captain Carter Were The First Avenger?" (S1E01). A small squad storming a Castle Rock Tower in Norway uses the MP40. The soldiers guarding HYDRA's Austrian facility and Castle de Krake, like all the other HYDRA soldiers, also use the MP40 submachine gun. 
=Rifles & Carbines=
==AK-47==
Klaue's mercenaries are armed with a AK-47s during Rhodes and Ulysses Klaue's deal on the Churchill ship in "What If... Killmonger Rescued Tony Stark?" (S1E06). 
==BCM Recce-14 KMR-A13==
Erik Killmonger is armed with what appears to be his BCM Recce-14 KMR-A13 rifle (but this time without scope and grenade launcher) in "What If... Killmonger Rescued Tony Stark?" (S1E06). He first uses it to save Tony Stark from a Ten Rings terrorists attack in Afghanistan. The rifle is then seen in his hands during the landing of the drone squad in Wakanda. 
==Carina's Blaster==
A former slave of the Collector named Carina uses a fictional blaster to shoot Ebony Maw in "What If... T'Challa Became a Star-Lord?" (S1E02).
==Gewehr 43==
The HYDRA soldiers in a truck as part of Zola's convoy are seen with Gewehr 43s in "What If... Captain Carter Were The First Avenger?" (S1E01). However, after the attack of Captain Carter, the rifles are replaced with MP40s. Later in the same episode, two German soldiers loyal to the Third Reich aim their Gewehr 43 rifles at Johann Schmidt after killing General Roeder, but quickly surrender due to the outnumbered HYDRA soldiers. 
===Fictional HYDRA Customization===
Several HYDRA soldiers are armed with fictional custom rifles while defending Castle de Krake in "What If... Captain Carter Were The First Avenger?" (S1E01). Over time, the Howling Commandos swap their Thompsons for rifles and shoot the Champion of HYDRA. 
==Jericho Rifle==
In "What If... Killmonger Rescued Tony Stark?" (S1E06), in Stark's garage, Killmonger takes a Jericho Rifle from the table and jokingly points it at Tony, but the Dum-E and U robot take it. This weapon is based on the miniaturized Jericho missile seen in Iron Man. Pepper Potts holds a modernized rifle in "What If... The Watcher Broke His Oath?" (S1E09). 
==Colt Model 727==
The S.H.I.E.L.D. agents, including Jack Rollins, are armed with Colt Model 727 carbines with laser sights and vertical grips throughout "What If... The World Lost Its Mightiest Heroes?" (S1E03). Several agents hold carbines while escorting Black Widow, who was arrested on suspicion of Tony Stark's murder. Several agents are armed with guns at the S.H.I.E.L.D. Crater Investigation Site until Thor knocks them out. Several agents guarding Isabela's Diner in Puente Antiguo, New Mexico are also armed with Model 727. 
==M16A4==
A US Army soldiers armed with the M16A4 rifles during the attack on Bruce at Culver University in "What If... The World Lost Its Mightiest Heroes?" (S1E03). The US Marines, including Jimmy, Pratt, and Ramirez, are armed with the same rifles during the opening scene of "What If... Killmonger Rescued Tony Stark?" (S1E06). Batroc's Pirates are armed with rifles during the hijacking of the Lemurian Star in "What If... The Watcher Broke His Oath?" (S1E09). 
==N20-75 Disrupter Rifle==
Korath the Pursuer uses a fictional N20-75 disrupter rifle at the beginning of "What If... T'Challa Became a Star-Lord?" (S1E02).
==Necroblasters==
Sakaarans loyal to the Kree Empire are armed with fictional necroblasters. They surround T'Challa during the Battle of Morag in "What If... T'Challa Became a Star-Lord?" (S1E02). A squad of Sakaarans subordinate to Taneleer Tivan aka the Collector also use the same weapons. 
==Remington 700PSS==
One of the S.H.I.E.L.D. agents is armed with what appears to be a Remington 700PSS (or probably M24) while patrolling the S.H.I.E.L.D. Facility in "What If... The World Lost Its Mightiest Heroes?" (S1E03). Later the US Army sniper also uses a rifle during the Battle at Culver University. He aims at Bruce Banner but doesn't fire. Several agents guarding Isabela's Diner in Puente Antiguo, New Mexico are also armed with rifles. 
==Sonic Taser Cannon==
Erik Killmonger kills James Rhodes and Black Panther using a sonic taser cannon in "What If... Killmonger Rescued Tony Stark?" (S1E06). This weapon is based on the sonic taser used by Obadiah Stane in Iron Man. 
==Unrecognizable Guns==
The terrorists of the Ten Rings are armed with unrecognizable guns during a shootout with Killmonger in "What If... Killmonger Rescued Tony Stark?" (S1E06). 
=Shotguns=
==Winchester 1897==
Timothy "Dum Dum" Dugan uses a Winchester Model 1897 "Trench Gun" during Liberation of Allied Prisoners of War in "What If... Captain Carter Were The First Avenger?" (S1E01).
=Machine Guns=
==Tesseract Gun (Browning M1919A4)==
A Tesseract-powered blaster cannon, in the form of a Browning M1919A4 machine gun, is mounted on HYDRA Stomper in "What If... Captain Carter Were The First Avenger?" (S1E01). Steve, who drives it, destroys several HYDRA tanks with a cannon during his first fight.
==Browning M2HB==
Several Browning M2HB machine guns are mounted on US Army Humvees, that attack Hulk at Culver University in "What If... The World Lost Its Mightiest Heroes? (S1E03). The machine guns are also mounted on the US Army HMMWVs, which convoy accompanies Tony Stark in Kunar, Afghanistan at the beginning of "What If... Killmonger Rescued Tony Stark?" (S1E06).
==Browning .303 Mk II*==
Browning .303 Mk II* machine guns are mounted on Spitfires that accompany HYDRA Stomper and Captain Carter during the air combat with HYDRA planes in "What If... Captain Carter Were The First Avenger?" (S1E01).
==Hispano Mk II==
Hispano Mk II cannons are mounted on the Spitfires that escort HYDRA Stomper and Captain Carter in air combat in "What If... Captain Carter Were The First Avenger?" (S1E01).
==M249 SAW Paratrooper==
Corresponding to the timeline, Bucky Barnes is armed with a M249 SAW Paratrooper fitted with a SureFire 100-round casket magazine and a Leupold Mark 4 HAMR sight in "What If... Zombies!?" (S1E05). He takes it with him on a trip to the Grand Central Terminal, and later also uses it in the battle with the Zombie Falcon. After a successful evacuation, he uses the machine gun in Camp Lehigh. 
==MG15==
When Captain Carter and Steve in HYDRA Stomper armor take to the air in "What If... Captain Carter Were The First Avenger?" (S1E01), He 111 bombers can be seen armed with what appears to be a MG15 machine gun mounted in the nose. Peggy is seen crashing through the nose and then takes out the pilots.
==MG17==
A MG17 machine guns are mounted on the Bf 109 fighters that accompany the He 111 bombers in "What If... Captain Carter Were The First Avenger?" (S1E01). One of them is best seen when Captain Carter jumps on the plane and smashes the cockpit with a shield. What appears to be a MG17 is also mounted on the HYDRA armored train. 
==MG 34==
A MG 34 machine guns are mounted on HYDRA tanks and motorcycles in "What If... Captain Carter Were The First Avenger?" (S1E01). Several machine gunners from Zola's convoy shoot at Captain Carter, but she always takes cover behind her shield. One of them is best seen during the liberation of allied prisoners of war. 
==MG 34 Panzerlauf==
What appears to be a MG 34 Panzerlauf is also mounted on HYDRA tanks in "What If... Captain Carter Were The First Avenger?" (S1E01). 
==MG42==
The two HYDRA soldiers on the watchtower are armed with a MG42 machine guns with drum magazines in "What If... Captain Carter Were The First Avenger?" (S1E01). On orders from an officer, they start shooting when Captain Carter storms the Austrian HYDRA Facility. The drum is unusual to see, as emplaced MG42s usually used loose belts, although it is not impossible to see a drum used on a mounted MG42.
==Xandar Anti-Aircraft Guns==
During the Ultron's army invasion of Xandar in "What If... Ultron Won?" (S1E08), anti-aircraft guns open fire, but this does not help. 
=Grenades & Explosives=
==Dynamite==
Unlike the original film, in "What If... Captain Carter Were The First Avenger?" (S1E01) the Schnellzug EB912 train is used here to trap Steve and capture the Tesseract. To do this, the HYDRA uses a huge amount of dynamite to detonate the train along with HYDRA Stomper Armor. 
==Kruger's Bomb==
As in the original film, Heinz Kruger, a HYDRA top assassin, uses a detonator disguised as a lighter to activate the bomb, and then sabotages in "What If... Captain Carter Were The First Avenger?" (S1E01). As in the original movie, the bomb is disguised as a cigarette case, but here instead of being left in the observation room to create a distraction the bomb is placed to attempt to destroy the equipment used for the experiment. 
==M67 Hand Grenade==
Erik Killmonger carries two M67 Hand Grenades on his belt but never uses it in "What If... Killmonger Rescued Tony Stark?" (S1E06). 
==Mk 2 Hand Grenade==
Captain Crater throws one Mk 2 Hand Grenade inside the HYDRA tank during the battle at Austrian HYDRA Facility in "What If... Captain Carter Were The First Avenger?" (S1E01). James Montgomery Falsworth throws some kind of narrow version of a grenade during the Attack on Castle de Krake. 
==Motorcycle Bombs==
Black Widow's motorcycle is equipped with a case with round bombs in "What If... Ultron Won?" (S1E08). She drops it during the Ultron Sentries chase in the opening scene. 
==Star-Lord's Bomb==
T'Challa/Star-Lord places a bomb on Ego's body while rescuing Peter Quill at the beginning of "What If... The Watcher Broke His Oath?" (S1E09). 
==Unknown Grenades==
James Montgomery Falsworth carries two types of unknown grenades on his chest when attacking the Schnellzug EP912 Train and Castle de Krake in "What If... Captain Carter Were The First Avenger?" (S1E01).
=Other=
==Black Widow's Bite==
Like all Black Widows, Natasha Romanoff has and uses a wrist electroshock weapon called Black Widow's Bite during an Ultron Sentries attack at the HYDRA Siberian Facility in "What If... Ultron Won?" (S1E08). The Black Widow also uses it in "What If... The Watcher Broke His Oath?" (S1E09) incapacitating Batroc.
==Chitauri Staff==
Black Widow uses a Chitauri staff during the Battle of New York during a recap of the events of The Avengers in "What If... The World Lost Its Mightiest Heroes?" (S1E03).
==Hawkeye's Collapsible Recurve Bow==
Hawkeye uses his collapsible recurve bow in "What If... The World Lost Its Mightiest Heroes?" (S1E03). It is first seen during the recap of the movies from the Phase One (in particular The Avengers). Hawkeye uses his bow during the Infiltration into the S.H.I.E.L.D. Crater Investigation Site. He holds Thor at gunpoint and suddenly fires. He also uses his bow in "What If... Zombies!?" (S1E05). Hawkeye also briefly uses his bow during the famous Avenger posing scene in "What If... Killmonger Rescued Tony Stark?" (S1E06). Hawkeye uses his bow with different types of arrows (some of which appear for the first time in MCU) as the main weapon in "What If... Ultron Won?" (S1E08). After Hawkeye's death, Natasha takes his bow for herself (in fact, this is rather strange, since the bow had to be destroyed along with the owner) and uses it only once, when she launches an arrow with Zola Virus into Ultron's eye in "What If... The Watcher Broke His Oath?" (S1E09), destroying him. 
==Iron Man's Repulsors==
Iron Man Mark IV Armor's repulsors are visible during Tony Stark's and Nick Fury's dialogue at Randy's Donuts at the beginning of "What If... The World Lost Its Mightiest Heroes?" (S1E03). Mark V Armor's repulsors are also seen later during the recap of the movies from the Phase One (in particular Iron Man 2). Zombified Tony Stark uses the Mark L Armor's palm repulsors in a fight with the Black Order, and later with Bruce Banner at the beginning of "What If... Zombies!?" (S1E05). Still alive, Tony Stark uses the repulsors during the fight between the Avengers and a horde of zombies on the Golden Gate Bridge in a flashback. 
===Iron Man Gauntlet===
Happy Hogan is armed with an Iron Man Gauntlet during the first half of "What If... Zombies!?" (S1E05). After his death, Sharon Carter takes it and shoots several times during the evacuation on the train, until she is killed by Zombie Captain America. 
==Stark Liberator Drones' Weapons==
Some kind of explosive guns are mounted on Stark Liberator Drones created by Stark and Killmonger in "What If... Killmonger Rescued Tony Stark?" (S1E06). The first drone released attacks Killmonger in Stark's apartment without using a cannon. After the death of Tony Stark, Stark Industries workers, together with the US Government, create an entire army of Liberator Drones for the war with Wakanda. During the battle with Dora Milaje, drones actively use cannons.
==Ultron Sentries Laser==
Ultron's Sentries use lasers to chase Natasha Romanoff and Clint Barton throughout "What If... Ultron Won?" (S1E08). A sentry controlled by Arnim Zola also fires lasers, whose color has turned green. 
==Vibranium Gauntlets==
Shuri wears her vibranium gauntlets during Killmonger's arrest at the beginning of "What If... The Watcher Broke His Oath?" (S1E09). 
=Trivia=
==Panzerkampfwagen VI "Tiger"==
The HYDRA uses a variety of heavy Tiger tanks throughout "What If... Captain Carter Were The First Avenger?" (S1E01). First, one tank is covered by a detachment of infantry storming Castle Rock Tower where the Tesseract is hidden. Several tanks arrive at the Austrian HYDRA Facility during the battle. A few heavy Tiger tanks attack Captain Carter and Howling Commandos, but HYDRA Stomper destroys it. Carter also destroys one, damaging the tracks. 
==He 111 Bombers==
Captain Carter and HYDRA Stomper, escorted by a group of Allied Spitfires, attack a flight of German planes, consisting of He 111 bombers and Bf 109 fighters, in "What If... Captain Carter Were The First Avenger?" (S1E01).
==Helicarrier==
In "What If... The Watcher Broke His Oath?" (S1E09), Helicarrier and several Quinjets engage in aerial combat against Asgardian skiffs of Loki's army in the Dead Avengers universe, which will be the new home for Natasha from Ultron's universe. 
==Nuclear Weapon==
After the merger of Ultron with the body of Vision in "What If... Ultron Won?" (S1E08), the villain manages to carry out his plan to genocide humanity with the help of nuclear weapons. 
==Stark Industries Rocket==
As in the original film, a Stark Industries-made rocket owned by Ten Rings terrorists hits a rock, next to Tony Stark in "What If... Killmonger Rescued Tony Stark?" (S1E06). But unlike the movie, in this universe, Killmonger throws it aside, saving him. 
==Supermarine Spitfire==
Several Spitfire fighters accompany HYDRA Stomper and Captain Carter during the air combat with HYDRA planes in "What If... Captain Carter Were The First Avenger?" (S1E01).
 
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