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 2015 documentary film "". Kevin Smith directed the ninth episode of the second season of "Supergirl", which was titled "Supergirl Lives" as homage to "Superman Lives". In November 2016, Kevin Smith said that he was open to having the "Superman Lives" script be adapted as an animated film, with Nicolas Cage voicing Superman and Michael Rooker voicing Lex Luthor. In October 2017, "Batman vs. Two-Face" writer Michael Jelenic stated that he originally pitched an animated film based on Smith's "Superman Lives" script, saying that Warner Bros seriously considered it for a long time. According to Jelenic, Cage would have loved