Hellboy is a 2004 American superhero film based on the Dark Horse Comics character of the same name, created by Mike Mignola. Produced by Lawrence Gordon and Lloyd Levin in association with Dark Horse Entertainment, and distributed by Sony Pictures Releasing, it is the first live-action film in the franchise. Directed and written by Guillermo del Toro, the film stars Ron Perlman in the title role, alongside Selma Blair, Jeffrey Tambor, Karel Roden, Rupert Evans, and John Hurt. The film draws inspiration from the debut comic Hellboy: Seed of Destruction. In the film, a charismatic demon-turned-investigator named "Hellboy" works with the secretive Bureau of Paranormal Research and Defense to suppress paranormal threats, but a resurrected sorcerer seeks to make Hellboy fulfill his destiny by triggering the apocalypse.

A superhero film is a film that focuses on superheroes and their actions. Superheroes are individuals who usually possess superhuman abilities and are dedicated to protecting the public. These films typically feature action, adventure, fantasy, or science fiction elements. The first film about a particular character often focuses on the hero's origin story. It also frequently introduces the hero's nemesis.