“The Expendables 3,” now in theaters, continues the franchise featuring well-known action-movie icons of the 1980s and 1990s in an attempt to recapture their glory days. I thought the first movie was average, the second movie was actually better-than-average, but the third movie falls by the wayside. And like so many action movies, it gets shot at and blown up, but it never really dies.Sylvester Stallone returns as Expendables head Barney Ross, who’s back with his old comrades in another movie with the following: shootouts, explosions, one-liners, repeat.