"Superman: Whatever Happened to the Man of Tomorrow?" is a graphic novel written by Alan Moore and illustrated by Curt Swan. It serves as a farewell to the Silver Age version of Superman, depicting his final adventure. The story unfolds through the perspective of Lois Lane as she recounts the events leading to Superman's disappearance and the rise of his enemies. In this tale, Lex Luthor and other villains unite to confront Superman, leading to a climactic showdown. The narrative explores themes of legacy, heroism, and the inevitable passage of time, ultimately providing a poignant conclusion to Superman's storied career.