When fans of the Marvel Cinematic Universe talk about which characters they want to see on screen or which actors should play certain characters in future movies, one character always seems to miss out; The Sentry (Robert Reynolds). This is frankly inexplicable. Ant-Man, Black Panther, Doctor Strange, Luke Cage, Quicksilver and many others have been touted for an MCU appearance (by viewers, critics and Marvel themselves), despite the fact that, arguably, none of them are as interesting as the man with 'the power of a million exploding suns'. His origins are interesting and the character himself has a lot more depth than most others (both of which we'll look in to in this list) and he'd make for an awesome big screen character. With that in mind, here are five reasons why Sentry should be introduced in to the Marvel Cinematic Universe...