Superman: Whatever Happened to the Man of Tomorrow? reference to one of the nicknames of Superman as the "Man of Tomorrow", and was later again used in the title of another Superman . The comic book, "Action Comics" #1, published in April 1938 by "National Allied Publications" (later renamed DC Comics), marked the first publication of the character of Superman created by Jerry Siegel and Joe Shuster. The comic quickly became a success, and its editor soon realized that it was because of the popularity of the character. In an unprecedented move at the time, National Allied Publications introduced a second comic book, "Superman", exclusively featuring the popular
The Death of Superman Superman" (). DC published another collection, "Superman: Doomsday", around the same time; it compiles comics that feature Doomsday's return (). "The Death of Superman" is divided into a trilogy of story arcs; the first is known as "Doomsday!", which leads to Superman's death at the hands of Doomsday. The second story arc, "Funeral for a Friend", which focuses on the immediate aftermath of Superman's death, began with "The Adventures of Superman" #498 (January 1993). The final story arc, "Reign of the Supermen!", began with a prologue in "The Adventures of Superman" #500 and introduced the Supermen. The title of this