The Marvel Cinematic Universe has produced 30+ films and the debate over which is truly the greatest has never been more contested. Avengers: Endgame delivered the most emotionally satisfying conclusion to a 22-film story arc in cinema history — the culmination of over a decade of storytelling that made grown adults cry in cinemas worldwide. Black Panther transcended superhero cinema to become a genuine cultural moment, the first superhero film nominated for Best Picture at the Academy Awards. Spider-Man: No Way Home brought three generations of Spider-Man fans together in a single film that delivered on its extraordinary premise. Iron Man started it all — a witty, confident origin story that proved superhero films could be genuinely good. What is the greatest Marvel movie ever made?