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.

Warning! This post contains SPOILERS for IronheartMarvel's Mephisto has finally made his MCU debut, though the timing admittedly feels a little weird. A major supernatural big bad in the original comics,

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,