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.

At its core, Ironheart explores how far people will go to make up for their past failings — and how those efforts can go wrong. Even a noble goal can lead someone down a dark path, the show suggests,