Young Hollywood is at Comic-Con in San Diego catching up with the cast "Riverdale" and asking them fan-submitted questions from Twitter! Hear from Cole Sprouse, Lili Reinhart, KJ Apa, Madelaine Petsch, Ashleigh Murray, Luke Perry, Marisol Nichols, Mark Consuelos, Vanessa Morgan, and Casey Cott to find out what to expect from Season 3!