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 of Steel" #1 became the bestselling comic book issue of 1986. Byrne also wrote and illustrated "Action Comics", and scripted "The Adventures of Superman" with artist Jerry Ordway after the previous writer Marv Wolfman left. Under Byrne, a new Superman comic was released every week and each series maintained continuity with each other. He spent two years on the Superman comics before leaving in 1988, becoming dissatisfied with DC's lack of "conscious support" for him and that the version of the character which DC licensed for merchandising contradicted Byrne's representation of him in comics. As a result of Byrne's departure,