Keanu Reeves wouldve been perfect for one MCU casting thanks to his real-life action skills. The actor became known as an action star thanks to his starring role in the John Wick and Matrix franchises. He tries to do as many stunts as he can himself, which has led to some fantastic fight sequences throughout all 7 of those films, as well as the likes of Man of Tai Chi. The films also show off a variety of different martial arts techniques and, with these skills, Reeves would fit right into the MCU movie timeline.