The Man of Steel (comics) and archenemy Lex Luthor, who was re-branded from a mad scientist to a powerful businessman and white-collar criminal. The series's legacy persisted, as it set the new status quo for all of the ongoing Superman comic series for many years after it was published. The story stayed in DC Comics continuity as the origin of Superman until it was expanded upon in the 2003 limited series "", which stayed canon until 2009. The title is a reference to one of Superman's nicknames which touted his invulnerability making him the "Man of Steel." It was later used as the title of
Superhero fiction Gail Simone has coined the term "Women in Refrigerators" (named after an incident in "Green Lantern" #54 where Kyle Rayner's girlfriend Alex DeWitt is murdered by the supervillain Major Force and stuffed into Rayner's refrigerator) to refer to this practice. Many works of superhero fiction occur in a shared fictional universe, sometimes (as in the cases of the DC and Marvel Universes) establishing a fictional continuity of thousands of works spread over many decades. Changes to continuity are also common, ranging from small changes to established continuity, commonly called retcons, to full reboots, erasing all previous continuity. It is also