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
Equus (comics) the ability to continue functioning after death. Equus (comics) Equus is a fictional comic book supervillain, a cyborg mercenary in the DC Comics universe who serves as an opponent of Superman. Created by writer Brian Azzarello and artist Jim Lee, he first appeared in "Superman" #206 (August 2004), which was published in June 2004 as part of the "" storyline. Equus first appears in the third issue of the year-long "" storyline that ran in "Superman" in 2004 and early 2005. A prototype for the OMAC Project, he comes into conflict with Superman when the superhero discovers that "The Vanishing",