10 MCU Villains Almost Introduced Years Earlier By Unused Scripts

The Marvel Cinematic Universe has had a dense roster of Marvel Comics villains to draw from over the years for inclusion in its films, with many of them almost appearing years earlier than their eventual debut. From small-time crooks to mighty universal threats, the MCU’s villains have run the gamut of power, charisma, and ubiquity. As such a collaborative and intricate series of films, the Marvel Cinematic Universe has left a lot on the cutting room floor over the years, including some excellent villains.