FACTBOX: The top movies at the North American box office

LOS ANGELES (Reuters) - Following are the top 10 films at the North American box office for the three-day weekend beginning on May 1, led by the new release "X-Men Origins: Wolverine," according to studio estimates compiled on Sunday by Reuters.

1 (*) Wolverine ..................... $87.0 million

2 (*) Ghosts of Girlfriends Past .... $15.3 million

3 (1) Obsessed ...................... $12.2 million

4 (2) 17 Again ...................... $ 6.4 million

5 (6) Monsters vs. Aliens ........... $ 5.8 million

6 (4) The Soloist ................... $ 5.6 million

7 (5) Earth ......................... $ 4.2 million

8 (3) Fighting ...................... $ 4.2 million

9 (8) Hannah Montana: The Movie ..... $ 4.0 million

10 (7) State of Play ................. $ 3.7 million

NOTE: Last weekend's ranking in parentheses. * = new release. "Earth" opened on Wednesday, and "Obsessed," "Fighting" and "The Soloist" on Friday.

TOTALS TO DATE

Monsters vs. Aliens ........... $182.4 million

X-Men Origins: Wolverine ...... $ 87.0 million

Hannah Montana: The Movie ..... $ 70.9 million

17 Again ...................... $ 48.5 million

Obsessed ...................... $ 47.0 million

State of Play ................. $ 30.9 million

Earth ......................... $ 21.8 million

The Soloist ................... $ 18.1 million

Fighting ...................... $ 17.5 million

Ghosts of Girlfriends Past .... $ 15.3 million

"X-Men Origins: Wolverine" was released by Twentieth Century Fox, a unit of News Corp.

"Obsessed" was released by Screen Gems, a division of Sony Corp's Columbia Pictures.

"Ghosts of Girlfriends Past" as made by New Line Cinema and "17 Again" was released by Warner Bros. Pictures. Both are units of Time Warner Inc.

"State of Play" was released by Universal Pictures, a unit of General Electric Co's NBC Universal. Universal also distributed "Fighting," which was produced by Rogue Pictures, a unit of closely held Relativity Media.

"The Soloist" was produced by closely held DreamWorks SKG, and "Monsters vs. Aliens" by DreamWorks Animation SKG Inc. Both were distributed by Viacom Inc's Paramount Pictures.

"Earth" was produced by Walt Disney Co's nascent Disneynature Films. "Hannah Montana: The Movie" was released by Walt Disney Pictures.

(Reporting by Bob Tourtellotte; Editing by Will Dunham)