COMIC-CON® IS ALL ABOUT ACCESS WARNER BROS. TELEVISION GROUP GETS YOU IN THE DOOR… WITH A LITTLE HELP FROM OUR FRIENDS! DCTV Series Arrow, DC’s Legends of Tomorrow, The Flash and Supergirl, Plus The Big Bang Theory, Supernatural and Westworld, to Be Featured on More Than 40,000 Limited-Edition Collectible Hotel Keycards BURBANK, Calif. (July 7, 2017) — On a weekend when it’s …