[#item_full_content] While Doctor Doom is set to be the next big bad in the MCU (Marvel Cinematic Universe), there should be more prominent villains in the future, especially with another Avengers film also on its way. Many speculate that Mephisto, first introduced in Ironheart, could be the big villain going forward. But could there be more 
Mephisto Might Be MCU’s Next Saga Villain – But Who Else Could Marvel Chose?
ByMarvelComicBooks.com
July 24, 2025