/movie/the-twilight-saga-eclipse/The Twilight Saga: EclipseSummit Entertainment will unveil online the first trailer for The Twilight Saga: Eclipse Thursday morning at 6:00 AM PST/9:00 AM EST. The 90-second trailer's contents are being kept under tight wraps until its debut. Prior to this, on Wednesday, March 10 a 10-second teaser of that trailer will come online at about 6:00 AM PST/9:00 AM EST.

The full trailer is also being played in theaters in front of Summit Entertainment's Remember Me, which also stars Robert Pattinson.

In The Twilight Saga: Eclipse, Bella once again finds herself surrounded by danger as Seattle is ravaged by a string of mysterious killings and a malicious vampire continues her quest for revenge. In the midst of it all, she is forced to choose between Edward and Jacob - knowing that her decision has the potential to ignite the struggle between vampire and werewolf. With her graduation quickly approaching, Bella is confronted with the most important decision of her life.

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Kristen Stewart, Robert Pattinson and Taylor Lautner reprise their roles as Bella Swan, Edward Cullen and Jacob Black. The film is directed by David Slade, based on the novel "Eclipse" by Stephenie Meyer, with a screenplay by Melissa Rosenberg. The movie hits conventional theaters and IMAX on June 30, 2010.