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 most exciting part for him was exploring what the DC Universe would be like without Superman and had fun writing about other characters' reactions to his death. DC did not intend for Superman's death to be permanent and the teams kept this a secret; they signed non-disclosure agreements preventing them from revealing the character would return. Carlin expected fans to know the death would be temporary, and in 2018 revealed he still could not believe many did not. However, the teams delayed all Superman comics for three months to create the illusion that he had really been killed because DC's