What Will It Take to Get Robert Downey Jr. on Agents of SHIELD?Katharine Trendacosta10/08/14 9:00am1984EditPromoteGo to permalinkNew rumors about William Shatner's Star Trek cameo indicate more time travel. Plot details about Jurassic World include some wild dinosaur descriptions. And Margaret Atwood promises blue genitals on HBO's adaptation of MaddAddam. Plus Walking Dead, Supernatural, Arrow and more. Spoilers now!