Ryan North turns his talents to a brand-new genre! Called forth to face the dread god Chthon, Iron Man reads from the ancient ill-fated text the Darkhold…and it changes the course of his entire life. The armor that has saved him countless times is about to become a prison — one whose only escape is a fate worse than death. The brilliant comedic mind behind The Unbeatable Squirrel Girl and Dinosaur Comics brings you the body-horror tale of the century!!