Clues About Avengers and Batman, Plus a Look at Arrow's Nyssa al Ghul!

Watch an "action-packed" Game of Thrones teaser. X-Men: Days of Future Past's production designer explains the look of the future Sentinel. Plus, Robert Kirkman previews The Walking Dead's return, plus there's a new clip. And a new trailer from Noah! Halle Berry's husband gets cast in Extant. Spoilers now! » 1/30/14 6:00am 1/30/14 6:00am