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
The Death of Superman to do so because of an editorial mandate barring characters from DC's mature comics line appearing in mainstream books like "Superman". Kesel replaced him afterward. Because Jurgens did not want to simply use Superman's classic design when he was revived, he gave him long hair. The teams also deepened the red and blue of Superman's costume to signify that things would not be entirely the same for him. Superman briefly wears a black suit after his revival; this design came from a sketch Bogdanove made at a meeting. "The Death of Superman" was first alluded to in Simonson's "Superman: The