Mark Ruffalo was 50 in Avengers: Endgame when he played the character 'Bruce Banner / Hulk'.
That was over 5 years ago in 2019.
Today he is 56, and has starred in 84 movies in total, 10 of those since Avengers: Endgame was released.
In Avengers: Endgame, I think Mark Ruffalo looks: