Los Angeles ? Steve Carell and Tina Fey are in a box-office clash with the gods of Mount Olympus.

No. 1 bragging rights for the weekend were too close to call Sunday, with 20th Century Fox estimating a $27.1 million debut for Carell and Fey’s comedy “Date Night” and Warner Bros. reporting the action tale “Clash of the Titans” at $26.9 million.

Rankings will be sorted out today when studios release final numbers, which can vary by $1 million or more for some films compared with Sunday estimates.

Warner executives said they tracked “Clash of the Titans” as No. 1 for a second straight weekend, with “Date Night” trailing by about $1 million.

Estimated ticket sales for Friday through Sunday at U.S. and Canadian theaters, according to Hollywood.com.

1. “Date Night,” $27.1 million.

2. “Clash of the Titans,” $26.9 million.

3. “How to Train Your Dragon,” $25.4 million.

4. “Tyler Perry’s Why Did I Get Married Too?”, $11 million.

5. “The Last Song,” $10 million.

6. “Alice in Wonderland,” $5.6 million.

7. “Hot Tub Time Machine,” $5.4 million.

8. “The Bounty Hunter,” $4.3 million.

9. “Diary of a Wimpy Kid,” $4.1 million.

10. “Letters to God,” $1.3 million.