Stan Lee was 90 in Big Hero 6 when he played the character 'Fred's Dad (voice)'.
That was over 10 years ago in 2014.
In 2018 he died aged 95, starring in 123 films in his career, 43 of those after Big Hero 6 was first released. If he were alive today he would be 101.
In Big Hero 6, I think Stan Lee looks: