The Marvel Cinematic Universe a crowning filmmaking achievement, but which phase reigns supreme: Phase One, Phase Two, or Phase Three? All three phases have been responsible for some of the best superhero movies of the 21st century, from Iron Man to the Avengers, to Captain America: The Winter Soldier and Guardians of the Galaxy, to Black Panther and Avengers: Endgame but only one can rise to the top. Whats your favourite phase of the MCU?

Check out these other great Marvel videos from WatchMojo:
Top 10 Marvel Cinematic Universe Movies: https://www.youtube.com/watch?vun9ZKvEhUoU
Top 10 Hilarious Moments in the Marvel Cinematic Universe: https://www.youtube.com/watch?vkLyGicjc6_M
Whats Next After Avengers: Endgame? - MCU Phase 4 Explained: https://www.youtube.com/watch?vSEXBbzPPeqQ

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