UPDATED: Mon, Jul 21, 03:31PM First-time Comic-Con attendee and star of HornsDaniel Radcliffe joins co-star Juno Temple, director Alexandre Aja, and novelist Joe Hill to debut the world premiere of the Horns movie trailer, chat about the film, and hold an audience Q&A. In addition, Salma Hayek and filmmaker Joe Lynch will be introducing new footage from the kick-ass film Everly. The panel will also reveal new scenes from upcoming RADiUS titles with some special surprises.