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: War of the Supermen Superman: War of the Supermen Superman: War of the Supermen is an American comic book limited series from DC Comics that serves as the culmination to the "Superman" line-wide event "". The series began on Free Comic Book Day 2010, with a zero-issue released free of charge before the main limited series began the following week. The whole event is portrayed as a "100 Minute War" in the narrative's time, although the whole event lasted one month in May 2010. No other "Superman" family books were solicited that month other than "Superman/Batman" and "Adventure Comics" neither of which crosses over