What's Ian McKellen's secret in X-Men? Plus we have a new Constantine!

Producer Gale Anne Hurd reveals something that will last beyond this season into next on The Walking Dead. Check out a Hunger Games set photo and a Game of Thrones behind-the-scenes video — and does a Legend of Korra promo what we think it shows? Plus, new looks at Arrow, Person of Interest, and Being Human! Spoilers… » 2/24/14 6:00am 2/24/14 6:00am