The Astromagnet was published as a double sided flyer in promotion of Hellboy Sourcebook and Roleplaying Game. It was distributed both physically and digitally. It was then included in the Hellboy Sourcebook and Roleplaying Game
B.P.R.D. agent Orson Gains tracks Ubel and Arnwolf Von Braun to Rio De Janeiro in 1996. He is able to thwart their plan to cause an astroid the size of Cuba to crash into earth by using his jetpack a bomb. The explosion destroys the Bran Brother's doomsday machine.