Chris Hemsworth was 30 in Avengers: Age of Ultron when he played the character 'Thor Odinson'.
That was over 9 years ago in 2015.
Today he is 40, and has starred in 48 movies in total, 27 of those since Avengers: Age of Ultron was released.
In Avengers: Age of Ultron, I think Chris Hemsworth looks: