Brave New World raises a major question about the MCU: which superheroes are even left to help Sam Wilson defend Earth?

Galactus is powerful, but Marvel is about to unleash a stronger world-ending threat that has defeated the Avengers' strongest ...

and Age of Ultron fleshed out Earth's Mightiest Heroes with the likes of Scarlet Witch and Quicksilver. Marvel Phase 2 also embraced the weird and wonderful side of comic book movies, introducing ...