Jon Favreau was 51 in Avengers: Endgame when he played the character 'Harold 'Happy' Hogan'.
That was over 5 years ago in 2019.
Today he is 57, and has starred in 65 movies in total, 4 of those since Avengers: Endgame was released.
In Avengers: Endgame, I think Jon Favreau looks: