Iron Man #20

In "Who Serves Lucifer?", Tony Stark finds himself targeted by a supernatural force as Lucifer transfers power to a disgruntled Charlie Gray, setting a dangerous game in motion. Written by Archie Goodwin and illustrated by George Tuska, with inks by Joe Gaudioso and letters by Jean Izzo, this 1969 Marvel classic features a cover by George Tuska that captures the dark, urgent tone of a story where even the most brilliant minds may not be enough to outwit the devil’s gambit.