According to the search results, Tony Stark, also known as Iron Man, died on October 17, 2023, at the age of 53, while fighting alongside the Avengers to defeat Thanos and save the universe from the Mad Titan. He sacrificed his life to remove the infinity gems from Thanos and use them to undo everything that happened in the previous battle. His death was a hard blow for the rest of the superheroes, who understood the reason for the final fight. The death of Iron Man was a heartbreaking moment in the Marvel Cinematic Universe. Robert Downey Jr., who played the character for more than a decade, confirmed that his character was supposed to die and that he feels like he has done all he could with that character.