Summary Henry Cavill has been rumored to be cast in a mysterious role in the MCU, with some suggesting he could portray The Fantastic Four's Doctor Doom. Henry Cavill has previously expressed interest in portraying a modernized version of Marvel Comics' Brian Braddock, a.k.a. Captain Britain. Captain Britain's potential MCU introduction could pave the way for the Captain Britain Corps and Psylocke's debut, setting the stage for the X-Men in the MCU. While Henry Cavill has recently been rumored to be joining the MCU, he already revealed which Marvel Comics superhero he'd want to portray in the live-action franchise three-years-ago....