Expendables 4

Things go boom. People die. That’s pretty much the extent of the Expendables franchise, right? So why the deuce is making an Expendables 4, which was scheduled to roll out next year, so hard? Why are things so complicated that Sylvester Stallone is now in a position to leave the series? It seems that guns, geriatrics, and Hollywood don’t mesh together as easily as one would assume.