Existing comment:
Stan Lee, Jack Kirby, Chic Stone, and Sam Rosen (cover artists)
The X-Men, v. 1, no. 9
"Enter, the Avengers"
January 1965
Following a common villain, Lucifer, the two superheroes teams -- the Avengers and the X-Men -- are brought together for the first time. It is briefly mentioned that Lucifer is the villain responsible for damaging Professor Xavier's legs. |