Short motion-comic prologue to Hellboy II: The Golden Army. In 1955, Hellboy's caretaker, professor Broom, tells young Hellboy the tale of an indestructible mechanical army created to end the war between humans and magical races.

Sinister Mr. Zinco locates the remains of undead nazi assassin Kroenen from the first movie, as well as a lost Nazi base at Antarctica. However, he's tricked by Rasputin.