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

Ironheart's game-changing ending leaves open a lot of questions, and potentially sets up some major new MCU projects.

Discover Mephisto's powerful debut in Ironheart and explore his future role in the MCU. Will he face off against new heroes ...

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.

Mephisto has finally made his MCU debut, though the timing does feel a little odd now that Phase 5 has come to a close after ...

A fter years of speculation, teases, and countless fan theories, the MCU has finally pulled the trigger on one of its most ...

You've met Thanos. You know Loki. Now the newest Marvel universe big bad makes his debut in the season finale of the Disney+ ...

At its core, Ironheart explores how far people will go to make up for their past failings — and how those efforts can go ...

Ironheart brings Mephisto into the MCU (at last!), but who is the Marvel Universe's devil, which characters is he tied to on ...

Ironheart has finally introduced us to Mephisto, and here, find out who he is and the actor who is playing this Marvel ...

Ironheart has finally come to an end, and here, find it explained in depth how its ending unfolded and what happened to Riri.

Marvel's Ironheart brings on board a central supernatural character with a very rich comic book history, Mephisto.