Sylvester Stallone has gone in hard on Rocky producer Irwin Winkler after being left out of plans for an Ivan Drago spin-off movie.
The Hollywood actor, 76, was the star of the hit boxing franchise, but is far from happy at one of the OG producers' decision to create a new film surrounding the origins of one of its hit characters.
It's the second time Sly has took aim at Irwin, who helped make the franchise a huge success.
The new movie will look back at Dolph Lundgren 's Ivan Drago character's origins and Sly also fired shots at his former pal for not informing him of the new script, as well as Irwin's 'moronic vulture children'.
In the explosive Instagram rant, Sly said: "Another Heartbreaker… Just found this out…ONCE AGAIN , IRWIN WINKLER , this PATHETIC 94 year old PRODUCER and HIS MORONIC VULTURE CHILDREN, Charles And David, are once again picking clean THE BONES of another wonderful character I created without even telling me.
"I APOLOGIZE to the FANS , I never wanted ROCKY characters to be exploited by these parasites…"
He carried on to criticise Dolph, saying: "By the way, I once had nothing but respect for Dolph but he NEVER told me about what was going on behind my back with the character I created for him !!! REAL FRIENDS Are more precious than gold."
He shared the words alongside news of the new Drago film.
He followed it up with a shot of Irwin as a bloodsucking vampire alongside an image which appeared to show Irwin and his sons stabbing the star in the back.
In the second post, he wrote: "After IRWIN WINKLER And FAMILY SUCK ROCKY DRY ! Presumed to be the most hated , untalented , decrepited , Producer in Hollywood and his cowardly children have found their next meal… Drago , RETURN MY RIGHTS BLOODSUCKERS !
"Throughout history so many artists in every industry ,recording , painting writing , you name it have been destroyed by these blood suckers Who have destroyed so many families , lining their pockets with other people!"
He continued: "DOLPH , why? Not a phone call? #parasite producers #exploited artists victims."
As well as writing and starring in the first Rocky movie, the Rambo star also wrote, directed and starred in the next four editions and 2006's Rocky Balboa.
He also starred in and produced the 2015 spin-off Creed and its 2018 sequel Creed II and is set to produce Creed III too, but won't feature on screen.
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