Origin of Superman

The origin of Superman is the story that relates Superman's arrival on Earth and the beginnings of his career as a superhero. The story has been through many revisions through decades of publication in comic books and radio, television and film adaptations.

The original story was written by Jerry Siegel and illustrated by Joe Shuster, and published as a part of the character's first appearance in Action Comics #1 (June 1938). As more stories were published, more details about the original story were established. These stories explored individual details, such as the planet Krypton, the source of Superman's powers and his relationship with supporting characters. Because continuity was looser during the Golden Age and the Silver Age, many of these stories would contradict each other.

As Superman was adapted into other media, his origin story has been frequently retold. These origin stories adhere to the basic framework created by Siegel and Shuster, with minor variations made to serve the plot or to appeal to contemporary audiences. Some of the details created for these adaptations would later influence the origin story in the mainstream comic series.

In more recent years, the origin story has been revamped in the comic books several times. In 1985, DC Comics published Crisis on Infinite Earths, which created the opportunity to definitively revise the history of the DC Universe. Superman's origin was subsequently retold in the 1986 limited series The Man of Steel, written and drawn by John Byrne. The story would later be removed from continuity ("retconned") and replaced with the Superman: Birthright limited series in 2003 and 2004, written by Mark Waid and drawn by Leinil Francis Yu, as Superman's official origin. After the Infinite Crisis limited series in 2005 and 2006, Superman's origin was revised yet again, unfolding throughout Superman's regular publications and the Superman: Secret Origin mini-series in 2009 and 2010.

...
Wikipedia