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 in film and Burton signed on with a pay-or-play contract of $5 million. Warner Bros. originally planned on a theatrical release date for summer 1998, the 60th anniversary of the character's debut in "Action Comics". Nicolas Cage, a comic book fan, signed on as Superman with a $20 million pay-or-play contract, believing he could "reconceive the character." Peters felt Cage could "convince audiences he [Superman] came from outer space." Burton explained Cage's casting would be "the first time you would believe that nobody could recognize Clark Kent as Superman, he [Cage] could physically change his persona." Kevin Spacey was approached for the