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 the "Funeral for a Friend" issues; and "The Return of Superman" (), which compiles the "Reign of the Supermen!" issues. "The Death of Superman" was released in time for the 1992 holiday shopping season and, according to comics historian Matthew K. Manning, is the bestselling trade paperback of all time. Reprints of the three collections were published in 2003, 1998, and 2004, respectively, while a recolored edition of "The Death of Superman" was released in 2013. In September 2007, DC released an omnibus edition of the story, "The Death and Return of Superman Omnibus" (). It features all the issues