Doomsday Is Coming Superman #1 1995

This issue marks the terrifying debut of Doomsday, the monstrous entity destined to kill Superman. It features the creature's first appearance, initially as a shadowy threat, before its full, destructive reveal, foreshadowing an unstoppable rampage. The narrative establishes Doomsday's brutal power, quickly overwhelming the Justice League and setting the stage for his legendary confrontation with the Man of Steel. This pivotal moment is highly sought after by collectors for introducing one of Superman's most iconic and deadly adversaries.