I say this because…if he does I think he will resurrect Wanda because he know how powerful she is and I know he’s not chthon but he could try to corrupt her and make her do his bidding
Yes, it isn't fully confirmed, or else we wouldn't be having this conversation. However reliable insider sources have reported on it, and enough have to the point where I fully believe it is true. I do my best not to spread misinformation.
He will appear in Ironheart and Agatha. He is played by Sacha Baron Cohen. One of the trades talked on the matter not long ago, they couldn't confirm it was Mephisto yet, but they said it was the only choice.
