The new trailers of both are now online. First of course, we have the longest title movie so far - Percy Jackson and the Olympians: The Lightning Thief.
Percy Jackson & The Olympians is a series of adventure, romance, comedy and fantasy books authored by Rick Riordan. The first film in the series are Percy Jackson and the Olympians: The Lightning Thief. The movie will be released this President Day weekend holiday in the United States - that's February 12, 2010. It will star Logan Lerman as the eponymous Percy Jackson alongside an ensemble cast which includes Brandon T. Jackson, Alexandra Daddario, Jake Abel, Rosario Dawson, Steve Coogan, Uma Thurman, Catherine Keener, and Pierce Brosnan.
"A young boy named Percy Jackson (Logan Lerman) discovers that he is the demigod son of the Greek god, Poseidon (Kevin McKidd). He embarks on a journey across modern-day America with his friends Annabeth Chase (Alexandra Daddario), also a demigod, and Grover Underwood (Brandon T. Jackson), a satyr, to save his mother (Catherine Keener), return Zeus' (Sean Bean) stolen lightning bolt, and prevent a war between the gods."
Here is the first look of the trailer in case you have missed it, but here is the new trailer for the movie with more detailed look-on, anyway.