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

"I was empowered by Marvel to make that decision," said showrunner Chinaka Hodge, but she admitted she's not sure when Mephisto will return.

Fans have been wondering if/when/how the devilish character would ever arrive onscreen since the premiere of WandaVision four and a half years ago, and Ironheart creator Chinaka Hodge tells Entertainment Weekly that the decision to include that long-awaited moment in this series was not hers "alone."