A Hobbit Guest Star Confirmed. Plus Who Won't Return in Iron Man 3 and …

Robert Downey Jr. explains how The Avengers fits in thematically with the Iron Man solo films... and drops some Sherlock Holmes 3 hints. Chris Pine tells us what to expect from Star Trek 2, and hints he might star in a most unlikely genre film. There are huge hints for Iron Man 3 and The Hobbit. Will both realities… » 4/26/12 6:00am 4/26/12 6:00am