Four years after WandaVision made "Mephisto" the hottest search term Google had ever seen, Ironheart on Disney+ finally introduced the demonic villain Mephisto. He's Marvel's analogue to Satan, played Sacha Baron Cohen,

On paper, the Mephisto reveal is an exciting one for MCU fans who have been begging for it since WandaVision. Even if his appearance in Ironheart isn't comic book-accurate like it would have been in a show like WandaVision, it's still fitting given the show's broader conflict between magic and technology.

The Marvel Cinematic Universe continues to expand. And in Ironheart, it introduces a new hero experiencing grief and a personal identity crisis.