Take a look at what’s on display at CinemaCon 2017 Although CinemaCon, the official convention of The National Association of Theatre Owners (NATO), doesn’t officially begin until tomorrow, set up is already nearly complete at Las Vegas’ Caesars Palace and CS was on the scene today. In the viewer below, you can check out our CinemaCon 2017 posters gallery, featuring more than 40 different posters, standees and other pieces of promotional artwork! RELATED: Check Out All Three Spider-Man: Homecoming Posters Among the highlights of this first round of CinemaCon 2017 posters is an elaborate Marvel‘s Guardians of the Galaxy Vol.