When the guy who directed the Sharknado trilogy wants to make a virtual reality slasher flick, you don’t skimp on the fake blood. And while some of the blood in Anthony C. Ferrante’s gory horror-comedy Killer Deal is CGI, a whole lot of it is old-fashioned liquid stage blood, too. “We had drums and drums of it, and we wanted to use it all. We weren’t leaving that room until it was completely trashed,” executive producer Irad Eyal tells The...