"Pain & Gain", starring Mark Wahlberg and Dwayne Johnson and directed by Michael Bay, debuted in first place this weekend with an estimated $20 million.

Last week's No. 1, "Oblivion", dropped to second place with $17.4 million. and the Jackie Robinson movie "42" finished in third place with $10.3 million.

And in overseas box office news, "Iron Man 3" debuted internationally with $195 million, and it won't open here in the U.S. until Friday.

The top ten:

"Pain & Gain," $20 million
"Oblivion," $17.4 million
"42," $10.7 million
"The Big Wedding," $7.5 million
"The Croods," $6.6 million
"G.I. Joe: Retaliation," $3.6 million
"Scary Movie 5," $3.4 million
"Olympus Has Fallen," $2.7 million
"Place Beyond the Pines," $2.6 million
"Jurassic Park," $2.3 million