Ty Simpkins was 16 in Avengers: Endgame when he played the character 'Harley Keener'.
That was over 5 years ago in 2019.
Today he is 22, and has starred in 23 movies in total, 4 of those since Avengers: Endgame was released.
In Avengers: Endgame, I think Ty Simpkins looks: