By David Germain
The Associated Press

LOS ANGELES - The mutants of X-Men are stronger than ever, showing even more box office power than in their first outing.

BOX OFFICE TOP 10

Estimated ticket sales are for Friday through Sunday at North American theaters, according to Exhibitor Relations Co. Inc. Final figures will be released today. • 1. X2: X-Men United, $85.85 M. • 2. The Lizzie McGuire Movie, $17. • 3. Identity, $9.5. • 4. Anger Management, $8.5. • 5. Holes, $6.5. • 6. Malibu's Most Wanted, $4. • 7. Confidence, $2.5. • 8. It Runs in the Family, $1.55. • 9. Bend it Like Beckham, $1.455. • 10. Bulletproof Monk, $1.45.

The superhero sequel X2: X-Men United debuted with $85.85 million domestically, the fourth-best opening-weekend gross ever and a 58 percent increase over the $54.5 million first weekend of the original X-Men three years ago.

Opening in second place was The Lizzie McGuire Movie, starring Hilary Duff in a big-screen adaptation of her Disney Channel TV series about a young teen coping awkwardly with adolescence.

Receipts for X2 came in behind the record $114.8 million for Spider-Man over the same weekend last year.

The first two Harry Potter movies had the second and third best openings, $90.3 million for Sorcerer's Stone and $88.4 million for Chamber of Secrets.

X2 reunites director Bryan Singer with his X-Men cast, including Patrick Stewart, Ian McKellen, Halle Berry, Hugh Jackman and Rebecca Romijn-Stamos as mutants with superhuman abilities that include telepathy and shape-shifting.