The MCU has made notable changes to the ages of its Avengers characters and here are ten of them ranked accordingly:
Tony Stark, the Iron Man, was 38 years old when he first appeared in the MCU and 53 years old when he died in Avengers: Endgame.
Steve Rogers, Captain America, was 27 years old when we first met him in the MCU and is biologically 117 years old and chronologically 183 years old.
Bruce Banner, the Hulk, was 35 years old in his first MCU appearance and about 53-54 years old in Avengers: Endgame.
Natasha Romanoff, the Black Widow, was 39 years old when she sacrificed herself for the Soul Stone and was 26 years old in her first appearance.
Clint Barton, Hawkeye, was 53 years old during his appearance in the ‘Hakweye’ Disney+ show whereas he was 41 during his first appearance.
Thor, the Asgardian god of thunder, stated it himself that he was at least 1,500 years old at the time of Avengers: Infinity War.
Peter Parker, the Spider-Man, was only 15 years old during his first MCU appearance and 19 years old at the time of Spider-Man: No Way Home.
Wanda Maximoff, the Scarlet Witch, was 25 years old in Avengers: Ultron and about 30 years old in her last appearance, considering she was blipped.
In Avengers: Endgame, Thanos is over 1,000 years old, and would have lived even more since he is a Titan with advanced longevity.
Loki was 1,054 years old when he was killed by Thanos in Avengers: Infinity War, but after season 2, his age is considerably much higher.