You can read the original report about Sylvester Stallone officially signing on for Expendables 4 at Deadline.
Production on Expendables 4 and Rambo 5 are both expected to begin soon, with Expendables 4 filming at the end of this summer, setting up one hell of a busy year for Sylvester Stallone.
Now that Expendables 4 is officially happening, who will be joining up with Sylvester Stallone this time around?
Now, it has been confirmed that Stallone has officially signed on for the highly anticipated Expendables 4 after months of speculation.