‘Expendables 4’ Previews Disappoint, but Opening Weekend Projections Remain Optimistic Introduction In a somewhat lackluster start, “Expendables 4,” the latest installment in the action-packed franchise, only garnered $750,000 in Thursday night previews. This figure falls below the preview take of its predecessor, “Expendables 3,” which raked in $875,000 off showtimes that began at 8 p.m. […]