Juggernaut is a fictional character appearing in American comic books published by Marvel Comics. Created by writer Stan Lee and artist/co-writer Jack Kirby, he first appeared in X-Men #12 as an adversary of the eponymous superhero team. Since then, he has come into conflict with other heroes, primarily Spider-Man and the Hulk.

Uncanny X-Men, originally published as The X-Men, is an American comic book series published by Marvel Comics since 1963, and is the longest-running series in the X-Men comics franchise. It features a team of superheroes called the X-Men, a group of mutants with superhuman abilities led and taught by Professor X.