In this week's installment of 10 Stories You Might Have Missed: Joseph Gordon-Levitt gives us an update on "Sandman." Also: "Castle" is sort of getting a spin-off, Nicki Minaj's "Anaconda" breaks Miley Cyrus' Vevo record, James Cameron talks more about his "Avatar" sequel plans, "The Awesomes" gets renewed, "Top Chef" heads to Boston, Swedish duo The Knife calls it quits, and more.