“The Expendables 4” Is Officially Happening, 50 Cent, Megan Fox & Tony Jaa Join Cast Lionsgate has announced that “The Expendables 4” is definitely happening and we can expect to see some new characters. Returning to the 4th installment are Jason Statham, Sylvester Stallone, Dolph Lundgren, and Randy Couture. New cast mates include, Megan Fox, Tony Jaa, and 50 Cent. The date of the movie’s release hasn’t been announced. What do you think about the new cast announcement? Which Expendables installment has been your favorite?