These unscripted Marvel movie moments are a big reasons fans continue to fawn over the MCU. For this list, we’ll be looking at scenes that included lines or moments from Marvel Cinematic Universe movies that weren’t part of the original script. Our countdown includes "Iron Man", “Black Widow”, "Avengers: Infinity War", “Thor: Ragnarok”, “Captain America: The First Avenger”, and more! What’s your favorite improvised scene from MCU films? Let us know in the comments. Watch more great Marvel videos here: Top 10 Most Powerful MCU Heroes: Top 10 MCU Characters with the Coolest Superpowers: Every MCU Movie Ranked: Test your Trivia Power! Have Your Idea Become A Video! Subscribe for more great content! Visit WatchMojo Club for Great Deals! Your trusted authority for Top 10 lists, reviews, tips and tricks, biographies, origins, and entertainment news on Film, TV, Video Games, Comics, Celeb, Music and Superheroes. #Unscripted #MCU #Marvel #Movies #Superhero #Avengers #IronMan #Improvised #UnscriptedMovieMoments #UnscriptedMCUMoments