The movie 'Rocky II' is 45 years old: Sylvester Stallone, Carl Weathers then and now

Sylvester Stallone says injury that almost ended his career changed the plot of Rocky II. Stallone is fighting for rights to the franchise he helped create in 1976. The Oscar nominee says injury to injury changed the story of the film. Rocky II is due to be released in theaters on Friday.

It has been 45 years since the first "Rocky" sequel, "Rocky II," first hit theaters. Sylvester Stallone would go on to star in many more franchises, like "Rambo" and "The Expendables."