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

Ironheart has a surprising amount of connective tissue with the surrounding MCU, and could be setting up major returns for characters Ultron.

All six episodes of Marvel’s Ironheart are now streaming on Disney+, and there are plenty of great reasons to love the show.