Marvel Studios used to be the undisputed champ of giving major characters a proper introduction. Now we get THIS.

Between Riri's new deal with Mephisto, Natalie's shocking resurrection, and Parker's return in the mid-credits scene, there's a lot left hanging by the end of Ironheart's first season. And the creator hopes to continue exploring those stories in future seasons of this show rather than in other MCU projects.

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