Stan Lee was 94 in Avengers: Infinity War when he played the character 'Schoolbus Driver'.
That was over 6 years ago in 2018.
In 2018 he died aged 95, starring in 123 films in his career, 20 of those after Avengers: Infinity War was first released. If he were alive today he would be 101.
In Avengers: Infinity War, I think Stan Lee looks: