“Bad things come at night.” And how. Judging from some of the imagery in the new trailer for Season 2 of Pivot and Sky Atlantic’s Fortitude, there’s some pretty terrible stuff going on in this titular little town in the Arctic wilderness. A fresh murder will rock the locals in the new season, plunging Fortitude into turmoil, while nature grows even more unpredictable, deadly and dangerous. Dennis Quaid joins the Simon Donald-created horror thriller for its sophomore run…