Avengers: Endgame was the first to call out Captain America's butt as a national treasure - but Deadpool just made it Marvel Comics canon.

A YouTuber creates a fan trailer for the hypothetical Captain America 4: The Last Avenger, which explores Cap's life in the past after Endgame.

Captain America: The Winter Soldier is held in high esteem by many Marvel Cinematic Universe fans, but Marvel Studios knew what it had on its hands before the film was even released. Indeed, after tapping the unexpected duo of Joe and Anthony Russo to helm the gritty, 70s-thriller-inspired Winter Soldier, Marvel went ahead and locked them down for Captain America 3 before Winter Soldier even hit theaters. Little did we know that the third Captain America movie would not only propel the story of Steve Rogers forward, but introduce two exciting new MCU additions and set the table …

If Thor: The Dark World was a step in the wrong direction for Marvel Studios in trying to expand the MCU following Marvel’s The Avengers, then Captain America: The Winter Soldier paved the way for the future. Indeed, one could almost look at the Captain America trilogy as the narrative spine of the Marvel Cinematic Universe, and with The Winter Soldier Marvel delved deeper into the world these superheroes inhabited than ever before. The end result remains a fan-favorite film, one that pulled from a surprising tone and genre to forge a path forward that would upend the …

While Marvel Studios clearly had ideas about heading towards The Avengers when they set about making their own films starting with Iron Man, it wasn’t until their fifth film—Captain America: The First Avenger—that they were making a movie while The Avengers was rocking and rolling and getting geared up to start production. Not only that, but the 1940s-set Captain America would serve as the audience’s lead-in to the experimental The Avengers, and thus needed to tee up major plot points while also introducing a major new superhero. And while the end result works wonderfully, …