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
1940s in comics under the imprint Frank Comunale Publications. The company would begin publishing under the Charlton name in 1946. Superboy, the adventures of Superman as a boy, first appears in "More Fun Comics" #101. The character is currently the subject of a legal battle between Time Warner, the owner of DC Comics, and the estate of Jerry Siegel. The Siegel estate claims that the original "Superboy" character published by DC Comics is an independent creation that used ideas from Jerry Siegel's original rejected pitch and was created without his consent. The All-Winners Squad, the first superhero team in the Marvel Universe, first