Ironheart finally debuted one of Marvel's most exciting and powerful villains – who has many connections that could also appear in the MCU.

Marvel's "Ironheart" finally introduces Mephisto (Sacha Baron Cohen) to the MCU. But after years of delays, does it work?

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,