The Rocky actor has taken to Twitter to announce the cast changes and made his feelings clear about the new line-up.
"WILLIS OUT… HARRISON FORD IN !!!! GREAT NEWS !!!!! Been waiting years for this!!!!" Stallone said to his followers.
Die Hard actor Willis appeared in the first two Expendables films, but has apparently left the successful franchise.
Stone went on to vent his frustration at his former co-star, saying: "GREEDY AND LAZY …… A SURE FORMULA FOR CAREER FAILURE."
Stallone's representative reportedly confirmed to that the tweet was indeed made in reference to Willis.
Directed by Patrick Hughes, The Expendables 3 is due to begin filming later this month and will be released in 2014.
Jackie Chan, Wesley Snipes, Nicolas Cage and Milla Jovovich are all part of the star-studded cast who play a band of highly skilled mercenaries.
