Superman "Superman", and released in 1979 for the Atari 2600. The last game centered on Superman was "Superman Returns" (adapted from the movie) in 2006. Superman has, however, appeared in more recent games starring the Justice League, such as "Injustice 2" (2017). In a contract dated 1 March 1938, Jerry Siegel and Joe Shuster released the copyright to Superman to their employer, DC Comics (then known as Detective Comics, Inc.) prior to Superman's first publication in April. This was normal practice in the comic magazine industry and they had done the same with their previous published works (Slam Bradley, Doctor Occult,
Superman (Earth-One) several DC characters continuously published throughout the 1950s, there isn't a clear dividing line between the Earth-One and Earth-Two versions of Superman. Several stories published before the mid-1950s took place on Earth-One, such as "Superman" (volume 1) #78 from September–October 1952, the first appearance of the adult Lana Lang in Superman comics. Also, any Superman stories published before the mid-1950s that featured or mentioned Superboy also took place exclusively on Earth-One, as the Earth-Two Superman, per the earliest Superman comics, never had a Superboy career. The Earth-One Superman's first appearance in comics was in "Superman" (volume 1) #46 (May 1947),