Spider-Man went through a lot of changes in the Iron Age, but not even the Clone Saga had as big an impact as getting married to Mary Jane Watson. What began as a multimedia PR stunt became a development that Marvel eventually felt it had to retcon out of existence entirely with “One More Day.” Fans and pros alike continue to argue whether marriage was a positive step in the evolution of the characters or a fundamental betrayal of the core appeal of the Spider-Man concept, and we’ll look at both perspectives.