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 retailers say "The Adventures of Superman" #500 was the beginning of a decline in the comic industry. Retailers and distributors were stuck with unsold copies, and thousands of stores closed. Additionally, those who bought "Superman" #75 could only sell first printings for cover price a few months after its release. Some commentators have retrospectively dismissed "The Death of Superman" as little more than a publicity stunt to give the Superman comics a brief surge in sales. Indeed, each series' sales immediately declined following Superman's resurrection. While most fans figured the death was only temporary, those who did not felt deceived.