It's no surprise which film reigned supreme at the box office this weekend.

The Matt Damon-driven action sequel "The Bourne Supremacy" easily stole the #1 spot from "I, Robot," taking in more than $53.5 million in ticket sales, according to early estimates. That number is almost double what the film's predecessor, "The Bourne Identity," earned during its opening weekend in 2002 when it pulled in more than $27.1 million.

Will Smith's "I, Robot" dropped a spot to #2 this weekend. The film, which explores the potential ramifications of human dependency on technology, took in more than $22 million, bringing its two-week total to more than $95.4 million.

Poor early reviews might explain why "Catwoman" bowed at #3 on the top 10 with more than $17.1 million in ticket sales. The film stars Halle Berry as the comic-book character Catwoman, a meek woman suddenly infused with catlike senses and agility.

Another comic-book hero, however, continues to enjoy success at the box office. "Spider-Man 2" drops two spots to #4 with a pull of $15 million, but maintains its position as the film with the second-highest total ticket sales in the top 10 this week (behind "Shrek 2") with more than $328.4 million.

Modernized fairy tale "A Cinderella Story" drops a notch to #5. The Hilary Duff vehicle took in more than $8 million in its second week in theaters.

"Anchorman," meanwhile, suffered a slightly more significant slide in its third week in the top 10. The comedy, which stars Will Ferrell, raked in $7.1 million to land at #6.

Though "Fahrenheit 9/11" dropped two spots to #7, Michael Moore shouldn't be too upset: The film took in $5 million, becoming the first documentary ever to top $100 million in total ticket sales.

Rounding out the top 10 are "The Notebook," which slides from #7 to #8 with more than $4.4 million; "King Arthur," landing at #9 with more than $3 million; and "Shrek 2," which clings to a spot on the top 10 for another week, maintaining at #10 with more than $3 million.

Overall, box-office sales were down this week from the corresponding weekend last year.

Next week, look for M. Night Shyamalan's "The Village" and "The Manchurian Candidate" to bow on the top 10. Also opening in theaters are the comedy "Harold and Kumar Go to White Castle" and the Spike Lee joint "She Hate Me."

Check out everything we've got on "The Bourne Supremacy."

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