SHOW BIZ: Weekend Movie Box Office Estimates: July 2-July 4 2010

For more information, access the complete chart on boxofficemojo.com.

1. "The Twilight Saga: Eclipse:" 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.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. Moviefone.com
2. "The Last Airbender:" Suspense auteur M. Night Shyamalan takes a break from crafting original screenplays to tell this tale of a 12-year-old boy (Noah Ringer) who provides the last hope for restoring harmony to a land consumed by chaos. In a world balanced on the four nations of Water, Earth, Fire, and Air, people known as the Waterbenders, Earthbenders, Firebenders, and Airbenders have mastered their native elements. Though the masters can each manipulate their native elements, the only one with the power to manipulate all four elements is a young boy known as the Avatar. When the Avatar subsequently appears to die while still mastering his powers, the Fire nation launches a global war with the ultimate goal of global domination. One hundred years later, two teens discover that the Avatar and his flying bison have in fact been locked in suspended animation. Upon being freed from his prison, the Avatar embarks on an arduous quest to restore harmony among the four war-ravaged nations. - Jason Buchanan, All Movie Guide
3. "Toy Story 3:" Toy Story 2, Monsters, Inc., and Finding Nemo co-director Lee Unkrich strikes out on his own with this installment into the popular computer-animated series detailing the adventures of wide-eyed cowboy doll Woody and space-ranger action figure Buzz Lightyear. Oscar-nominated scribe Michael Arndt (Little Miss Sunshine) handles screenwriting duties. - Jason Buchanan, All Movie Guide
4. "Grown Ups:" Thirty years after graduating from high school, five former basketball teammates gather at the lake house where they celebrated their biggest victory to mourn the passing of their late coach. Over the course of the Fourth of July weekend, the five friends realize that just because they've all grown up and started families doesn't mean that they've lost that old spark. Adulthood is what you make of it, and no one at the lake house is eager to be the grown-up of the gang. Adam Sandler, Chris Rock, Kevin James, David Spade, and Rob Schneider star in a film written by Sandler and Fred Wolf, and directed by Dennis Dugan (I Now Pronounce You Chuck & Larry, You Don't Mess with the Zohan). Maria Bello, Salma Hayek, and Maya Rudolph co-star. - Jason Buchanan, All Movie Guide
5. "Knight and Day:" A fugitive couple (Tom Cruise and Cameron Diaz) wages a war between truth and trust while speeding across the globe in an attempt to avoid capture by a determined federal agent (Peter Sarsgaard). Paul Dano, Viola Davis, Olivier Martinez, Maggie Grace, and Marc Blucas co-star. - Jason Buchanan, All Movie Guide