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.

For the past four ears, we've had many wild theories as to when and where we'd see the demon lord Mephisto in the MCU.

A fter years of speculation, teases, and countless fan theories, the MCU has finally pulled the trigger on one of its most elusive and long-awaited characters: Mephisto. The demonic villain made his official debut in ‘ Ironheart ’ Episode 6.