I love the character of Superman, and although he may not be my favorite comic-book hero I still admire what he symbolizes and his rich pop culture history. So...
Superman 75th anniversary
General Zod was an inmate of the infamous Kryptonian prison, the Phantom Zone, when he first appeared in the pages of Adventure Comics #283 in April of 1961.
The historic Action Comics #1 set the stage for every spandex-clad comic-book hero that there has been for the past seventy-five years.