Hercules in New York is a 1970 low-budget fantasy comedy film. It is notable for being the first feature film to star (a then-unknown) Arnold Schwarzenegger, who was about 22 years old when the film was produced. It is further notable for being one of the films that Schwarzenegger admits regretting having appeared in.
In the scene a bear escapes from the Central Park zoo. Arnie confronts the bear and the fight begins. They grapple for a while then Hercules body slams the bear. After he has the bear down Herc starts punching the furry brute and then chokes it into submission.