Stan Lee was 95 in Spider-Man: Into the Spider-Verse when he played the character 'Stan (voice)'.
That was over 5 years ago in 2018.
In 2018 he died aged 95, starring in 123 films in his career, 15 of those after Spider-Man: Into the Spider-Verse was first released. If he were alive today he would be 101.
In Spider-Man: Into the Spider-Verse, I think Stan Lee looks: