That was over 39 years ago in 1982.
Today he is 73, and has starred in 31 movies in total, 20 since Rocky III was released.
In Rocky III, I think Carl Weathers looks:
Rocky III scores 6.6 out of 10 on The Movie Database.
Carl Weathers' first acting role was as 'Demonstrator (uncredited)' in Magnum Force, released in 1973 when he was 25.