Ghost Rider (Daniel "Danny" Ketch) is a fictional superhero appearing in American comic books published by Marvel Comics.
 He is the third Marvel character to don the identity of Ghost Rider, after Johnny Blaze, the first supernatural Ghost Rider, and the Western hero known as the Phantom Rider, who used the name in 1967.
Salem's Seven are a fictional team of magical beings and former supervillains appearing in American comic books published by Marvel Comics.
 They were initially foes of the Scarlet Witch and the Fantastic Four, but in more recent years, they have become allies to both.
 All seven are the children of Nicholas Scratch and the grandchildren of Agatha Harkness.
 They are humans with magic powers who can transform into fantastic creatures with super-powers.
Menace was a 1953 to 1954 American crime/horror anthology comic book series published by Atlas Comics, the 1950s precursor of Marvel Comics.
 It is best known for the first appearance of the supernatural Marvel character the Zombie, in a standalone story that became the basis for the 1970s black-and-white comics magazine "Tales of the Zombie".
 As well, a standalone story in the final issue introduced a robot character that was revived decades later as the Human Robot, a.k.a. M-11, the Human Robot.
Bob Budiansky ( ; born March 15, 1954) is an American comic book writer, editor, and penciller, best known for his work on Marvel's "Transformers" comic.
 He also created the Marvel character Sleepwalker and wrote all 33 issues of that comic.
Jay Scott Pike (September 6, 1924 – September 13, 2015) was an American comic book artist and commercial illustrator known for his 1950s and 1960s work for Marvel Comics and DC Comics, advertising art, and as a good girl artist.
 He created the DC character Dolphin and co-created the Marvel character Jann of the Jungle.
Venus is an American romance comic book published by Marvel Comics in the United States.
 Running for 19 issues from 1948 until 1952 it transformed over its run from its romance led stories to finish as a science fiction and horror anthology.
 It is noted for introducing the Marvel character Venus and an early incarnation of Loki who would later become the nemesis of Marvel character Thor.
 The final three issues were published through Atlas Comics.
Ghost Rider (Johnny Blaze) is a fictional character, a superhero appearing in American comic books published by Marvel Comics.
 He is the second Marvel character to use the name Ghost Rider, following the Western comics hero later known as the Phantom Rider, and preceding Daniel Ketch.
 The character's story begins when motorcycle stuntman, Johnny Blaze, becomes bound to the Spirit of Vengeance Zarathos after making a deal with Mephisto to spare his surrogate father.
 With his supernatural powers, Johnny seeks vengeance as the "Ghost Rider".
Captain America is a 1944 Republic black-and-white serial film loosely based on the Timely Comics (today known as Marvel Comics) character Captain America.
 It was the last Republic serial made about a superhero.
 It also has the distinction of being the most expensive serial that Republic ever made.
 It also stands as the first theatrical release connected to a Marvel character; the next theatrical release featuring a Marvel hero would not occur for more than 40 years.
Roberto "Robbie" Reyes is a fictional superhero appearing in American comic books published by Marvel Comics.
 He is the fifth Marvel character to use the name Ghost Rider, after Alejandra Jones, Danny Ketch, Johnny Blaze and Carter Slade (also known as Phantom Rider).
Scarlet Witch (Wanda Maximoff) is a fictional superhero appearing in American comic books published by Marvel Comics.
 The character first appeared in "X-Men" #4 (March 1964) and was created by Stan Lee and Jack Kirby.
 The character has since starred in two self-titled limited series with husband the Vision, and has historically been depicted as a regular team member in superhero title "The Avengers".

Question: Who is the husband of the Marvel character who was both a foe and an ally of Salem's Seven?
Answer: the Vision