Stan Lee was 90 in Big Hero 6 when he played the character 'Fred's Dad (voice)'.
That was over 9 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: