UPDATED: Tue, Jul 12, 10:07AM The Playback Room will be showing the following panel presentations from either or both Hall H and Ballroom 20: Game of Thrones Panel and Q&A Session, Marvel Television: Marvel’s Agents of S.H.I.E.L.D., and Dark Horse: Conversations with Joss Whedon. (Please note: these playbacks will include only the panel discussions. None of the film clips or footage shown at the live events will be shown here.)