Superman vs. Muhammad Ali is an oversize celebrity comic book published by DC Comics in 1978. The 72-page book features Superman teaming up with the heavyweight boxing champion Muhammad Ali to defeat an alien invasion of Earth, a story in which they are required to compete in a boxing match (without Superman's superpowers). It was based on an original story by Dennis O'Neil which was adapted by Neal Adams, with pencils by Adams, figure inks by Dick Giordano, and background inks by Terry Austin.