ACTION COMICS VOL. 6: SUPERDOOM
In these chapters of the smash “Doomed” storyline, Doomsday returns from the Phantom Zone with his sights set on the Man of Steel. Wherever Doomsday goes, death follows, and Superman is forced to do the unthinkable: kill Doomsday. But when the creature explodes into a plume of vapor which Superman inhales, the true battle begins! Collects Action Comics #30-35 and Action Comics Annual #3.