Director Steven Spielberg has practically done it all in the filmmaking business, but there is one thing he has never done until now: attend San Diego Comic-Con. The heralded director is in town to promote his first 3D movie, The Adventures of Tintin: Secret of the Unicorn, which hits theaters nationwide on December 23. The director held a press conference before his panel presentation with Peter Jackson and Andy Serkis to talk about the upcoming movie. Check out the videos below.