The first Avengers movie was an experiment in the possible success of the MCU, and it paid off - big time. The Avengers slashed records and firmly established the MCU as a juggernaut. The subsequent three Avengers movies blew the box office records out of the water. By the time receipts had been counted up for Avengers: Endgame, the franchise's fourth film earned the title as the highest-grossing film of all time.
With so much success and cash going around, it's surprising there are still a number of things most people don't know about the series. A lot of work went into bringing these movies to life, and even the most devoted fans don't know everything about the film franchise revolving around Earth's Mightiest Heroes.
Check out this list below, and if you find an Avengers movie fact you didn't already know, go ahead and give it an upvote to see which one rises to the top.
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That Famous 'I Am Iron Man' Line Almost Didn't HappenVideo: YouTube
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Robert Downey Jr. Hid Food On 'The Avengers' Set
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Ultron's Eyes Were Hard To Focus On For Many Of The Actors
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Mark Ruffalo Was The First Actor To Play Banner And The Hulk
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Scarlett Johansson Worked With Three Stuntwomen To Hide Her Pregnancy
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A Lot Of Detail Went Into The Hulkbuster Armor