Jeremy Renner was 43 in Avengers: Age of Ultron when he played the character 'Clint Barton / Hawkeye'.
That was over 9 years ago in 2015.
Today he is 53, and has starred in 56 movies in total, 20 of those since Avengers: Age of Ultron was released.
In Avengers: Age of Ultron, I think Jeremy Renner looks: