Can a bunch of long-in-the-tooth action stars still substitute muscles, guns, and wisecracks for super heroes and special effects? Sylvester Stallone & Co. respond to that question with a resounding “hell yeah.” “The Expendables 2” is a “go-bigger” sequel that works and it does so because of exciting familiar faces.

This time a debt Barney (Sylvester Stallone) owes to Mr. Church (Bruce Willis) leads him and his