Over nearly two decades, The Marvel Cinematic Universe has proven itself as a behemoth franchise that consistently puts out new content in theaters and streaming with a Disney+ subscription. While fans are looking forward to upcoming Marvel movies, there's also a great deal of affection for what came before. For instance, Robert Downey Jr. named his favorite Marvel movie, and it's one of the few titles he didn't star in before Tony Stark's death in Endgame.
