Post-apocalyptic scenarios are a longtime staple of science fiction, and director Ridley Scott's latest film, The Dog Stars , falls firmly into that subgenre. Based on Peter Heller's critically acclaimed 2012 novel , the story depicts the aftermath of a deadly flu virus that wiped out most of humanity. The studio released the first trailer at CinemaCon, introduced by a video message from Scott, who said that his adaptation "is particularly tailored for the big screen. Every frame, I hope, will really blow you away." Per the official logline, the film is "a riveting, epic thriller set in a world where survival is instinct, but humanity is a choice.…