Right out of the gates, The Expendables 3 aims to show audiences it means business. Not surprising that it’s less than a minute, a mere 54 seconds to be exact, before our heroes’ heavy hardware sends the first of many non-descript bad guys reeling. Like the nameless goon peppered with bullets (rubber bullets it seems from how toned down the action is) pain sets in for the audience as well. The “pain” comes not from groan-inducing dialog, or over-the-top action, but the brain cells struggling to comprehend the blur that is the next 125 minutes. Even with the starts and stops, this hokey 2-hour action fest whisks along which is one of a…