Ticket sales for “The Dark Knight” for the weekend ending August 3 continued to break records at the movie box office, raking in an...

Ticket sales for “The Dark Knight” for the weekend ending August 3 continued to break records at the movie box office, raking in an estimated $43.8 million for its third weekend in release. The second installment of the new Batman franchise, and the sixth Batman movie since the late 1980s, may soon become the second-biggest film of all time, following “Titanic.”

“The Dark Knight,” featuring the posthumous performance of Heath Ledger that is being praised as Oscar-worthy, ruled over the premiere of “Mummy: Tomb of the Dragon Emperor,” which opened at $42.5 million. The second sequel of the Mummy series stars Brendan Fraser and Jet Li and has received only tepid reviews.

Will Ferrell’s sophomoric comedy “Step Brothers” was third with $16.3 million, followed by “Mamma Mia!” with $13.1 million, bringing the musical’s total tally to date at $88 million. “Journey to the Center of the Earth,” Fraser’s second movie in release this summer, rounded out the top five, generating $6.9 million in ticket sales.

Among the other notables, Kevin Costner’s election-year comedy “Swing Vote” pulled in a disappointing $6.3 million in its first weekend of release, and the “The X-Files: I Want to Believe,” has also been a bit of a dud this summer. The latest X-Files film only generated $3.4 million in its second weekend.

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Box Office Grosses
Week Ending August 1, 2008

Rank Title Weekend Total Gross
1 The Dark Knight (2008) $43.8M $395M
2 The Mummy: Tomb of the Dragon Emperor (2008) $42.5M $42.5M
3 Step Brothers (2008) $16.3M $63M
4 Mamma Mia! (2008) $13.1M $88M
5 Journey to the Center of the Earth (2008) $6.88M $73.1M
6 Swing Vote (2008) $6.3M $6.3M
7 Hancock (2008) $5.2M $216M
8 WALL·E (2008) $4.75M $204M
9 The X Files: I Want to Believe (2008) $3.42M $17.1M
10 Space Chimps (2008) $2.84M $22.1M

Source: IMDB.com