As the six original Avengers continue to leave and be replaced in the MCU, Earth's Mightiest Heroes can never be the same again in the Marvel Cinematic Universe. 2012's The Avengers marked a shift in the power dynamics of cinema as Marvel Studios began a dominating run of films anchored by its premiere team of heroes, who would periodically band together to unite each phase of films. While the team will reunite again, it can't be the same as it once was.