Iron Man died to save the universe in Avengers: Endgame, and it might have been necessary to save the galaxy from Tony Stark. Robert Downey Jr.'s genius billionaire playboy philanthropist was the face of the Marvel Cinematic Universe for over a decade. Iron Man launched the MCU back in 2008 and played a pivotal role in what is now known as the Infinity Saga. He proved to be one of the MCU franchise's greatest heroes and put his life on the line multiple times before paying the ultimate price in Avengers: Endgame.
The twenty-second MCU film was touted as the culmination of the universe to that point, and fans went into the movie expecting to say goodbye to some characters as the Avengers tried to defeat Thanos and reverse The Snap. Black Widow sacrificed her life to obtain the Soul Stone, and Captain America retired after the finale, but it was Iron Man who gave up his life to stop Thanos once and for all. The final battle consisted of the 2014 version of the Mad Titan and his massive army taking on the Avengers and friends for the universe's fate. It all came down to a scrum for the Infinity Stones between Thanos and Iron Man. Although Thanos thought he had the upper hand, Iron Man secretly took the Infinity Stones to perform a snap of his own, one which wiped the Mad Titan and his army from Earth but also ended his own life.
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As devastating as Iron Man's death in Avengers: Endgame was, it had to be done. Doctor Strange signaled to Tony that this was the one future they won out of 14,000,605 possibilities the Sorcerer Supreme saw in Avengers: Infinity War. That aided Avengers: Endgame's plot as every question, convenience, or plot hole could be
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