Sit back, relax, and enjoy a hot, steaming cup of our links of the day, back again with news on “Prince Caspian,” “The Dark Knight,” “Speed Racer,” “G.I. Joe,” “Terminator 4″ and more.

- First trailer released for “The Chronicles of Narnia: Prince Caspian.” (Yahoo!)

- The Killing Joke: First official teaser poster for “The Dark Knight” written in blood. (Superhero Hype)

- Racer X revealed! Entertainment Tonight visits the set of “Speed Racer,” where they chat with Matthew Fox. (Coming Soon)

- Ray Park a real American hero. Thesp is set to play Snake Eyes in upcoming “G.I. Joe.” (/film)

- He’ll be back? Arnold may cameo in “Terminator 4,” say writers. (Entertainment Weekly)

- Angelina Jolie to go under cover for new spy movie. Jolie, undercover – sorry, what were we talking about? (Variety)

- Ed Norton certainly knows from dual identities, will star as both twins in comedy thriller “Leaves of Grass.” (Variety)