Chadwick Boseman was 41 in Avengers: Endgame when he played the character 'T'Challa / Black Panther'.
That was over 5 years ago in 2019.
In 2020 he died aged just 43, starring in 27 films in his career, 9 of those after Avengers: Endgame was first released. If he were alive today he would be 47.
In Avengers: Endgame, I think Chadwick Boseman looks: