Stan Lee was 93 in Guardians of the Galaxy Vol. 2 when he played the character 'Watcher Informant'.
That was over 7 years ago in 2017.
In 2018 he died aged 95, starring in 123 films in his career, 29 of those after Guardians of the Galaxy Vol. 2 was first released. If he were alive today he would be 101.
In Guardians of the Galaxy Vol. 2, I think Stan Lee looks: