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
Superman script Siegel had submitted several years before. Siegel was furious because DC Comics did this without having bought the character. After Siegel's discharge from the Army, he and Shuster sued DC Comics in 1947 for the rights to Superman and Superboy. The judge ruled that Superman belonged to DC Comics, but that Superboy was a separate entity that belonged to Siegel. Siegel and Shuster settled out-of-court with DC Comics, which paid the pair $94,013.16 (AFI $) in exchange for the full rights to both Superman and Superboy. DC Comics then fired Siegel and Shuster. DC Comics rehired Jerry Siegel as