Mephisto debuts in Ironheart, sparking fan theories. His powers include reality bending and control over life. He grants Hood abilities and demonstrates immense strength. Some speculate he is stronger than Thanos.

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

After years of speculation, major Marvel villain Mephisto ( Sacha Baron Cohen) finally debuted in the MCU in a surprise finale twist. Fans have been wondering if/when/how the devilish character would ever arrive onscreen since the premiere of WandaVision four and a half years ago,