The MCU is back, and we're seeing characters some might have never expected Marvel to get to. Still, there remain plenty of comic book icons who have yet to receive their close-up.

Despite past speculation that Mark Ruffalo would reprise his role of Bruce Banner in Captain America: Brave New World, Hulk ...

And that's why the MCU has, for better or for worse, made villains that always are worthy of matching up with our heroes.

The Marvel Cinematic Universe didn't just need a villain worthy of Captain America. It needed a smash — and that's what Hulks are for.