Since Tony Stark made his final, heroic farewell in Avengers: Endgame (spoiler!), a void with the power of an Infinity Stone has been left in our hearts (or Arc Reactors, perhaps). Iron Man appeared in nine installments of the Marvel Cinematic Universe, including three standalone films. We'll always miss Tony's signature goatee and tinted specs, but fortunately, there are some incredible fan theories to keep his legacy alive. Actually, some theorists think he continued to save the day after Endgame by leaving his mark with E.D.I.T.H. in Far From Home. Others speculate that Thanos was particularly concerned with Tony Stark because he misconceived the true power of Iron Man. Those theorists might be backed up by another claim that Howard Stark gave his son super soldier serum at a young age.
If you're a true fan of the MCU and miss Tony Stark as much as we do, then check out these explosive fan theories about Iron Man.
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The Evolution Of Iron Man's SuitsPhoto: Avengers: Age of Ultron / Walt Disney Studios Motion Pictures
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Why Falcon Says "I'm Sorry" To Iron ManPhoto: Captain America: Civil War / Walt Disney Studios Motion Pictures
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Black Sabbath's 'Iron Man' Mirrors Tony Stark's StoryPhoto: The Avengers / Walt Disney Studios Motion Pictures
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Harley Keener Was Meant To Be Tony's ApprenticePhoto: Iron Man 3 / Walt Disney Studios Motion Pictures
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Time Travel Molded Tony StarkPhoto: Captain America: The First Avenger / Paramount Pictures
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How Thanos Really Knows Tony StarkPhoto: Avengers: Infinity War / Walt Disney Studios Motion Pictures