Not every actor connected to MCU movies is actually lucky enough to appear in the franchise, as many roles have been left on the cutting room floor.

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

Mashable’s Ranked series crowns the best and sorts the rest. The Marvel Cinematic Universe may have begun in 2008 with Iron ...

For existing fans, we can't blame you for wanting to watch Thor: Ragnarok here or Captain America: The Winter Soldier there.

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.