Hellboy and a rookie B.P.R.D. agent in the 1950s are sent to the Appalachians, where they discover a remote community dominated by witches and led by the sinister local demon, the Crooked Man.

Hellboy (Ron Perlman) and his team face off against a new supernatural threat, while Professor Bruttenholm (Sir John Hurt) must investigate the possible reemergence of a vampire he had slain decades prior.

A prince of the mythical world starts a rebellion against humanity in order to rule the Earth. Hellboy and his team must fight to stop him from locating the all-powerful Golden Army.

Hellboy travels to Japan to fight an ancient demon.

A demon, raised from infancy after being conjured by and rescued from the Nazis, grows up to become a defender against the forces of darkness.

Based on the graphic novels by Mike Mignola, Hellboy, caught between the worlds of the supernatural and human, battles an ancient sorceress bent on revenge.