Avengers #23–24 The Epic of Kang vs. the Avengers Quartet! by Stan Lee and Don Heck “The Epic of Kang vs. the Avengers Quartet!” by Stan Lee and Don Heck, in Avengers 23–24 (Marvel Comics, December 1965 to January 1966).
Tales to Astonish #75–78 Hulk, against a World! by Stan Lee et al. “Hulk, against a World!” [unofficial title] by Stan Lee et al., in Tales to Astonish 75–78 (Marvel Comics, January to April 1966).