Sometimes the best moments are made up on the spot! For this list, were looking at ad-libbed, improvised, and unscripted moments in the Marvel Cinematic Universe. Our countdown includes Avengers: Endgame, Thor: Ragnarok, Captain America: The First Avenger, and more! Whats YOUR favorite unscripted MCU moment? Let us know in the comments!

Watch more great Marvel videos here:
Top 20 Most Rewatched Marvel Movie Scenes: https://youtu.be/28CUcPATpgQ
Top 10 Most Anticipated Marvel Movies: https://youtu.be/O5I5T7dWd6c
Top 10 MCU Fates Worse Than Death: https://youtu.be/yCKSiMvJMX4

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