Adam Warlock, originally known as Him or Adam, is a fictional character appearing in American comic books published by Marvel Comics. The character's earliest appearances were in Fantastic Four #66–67 (cover-dates September 1967 and October 1967) and Thor #163–166 (April–July 1969). He was created by Stan Lee and Jack Kirby and significantly developed by Roy Thomas and Jim Starlin. Adam Warlock, portrayed by Will Poulter, will make his live-action debut in Guardians of the Galaxy Vol. 3 (2023), which is set in the Marvel Cinematic Universe.