Box office report: 'Pain & Gain' leads slow weekend with $20 million

Box office report: 'Pain & Gain' leads slow weekend with $20 million

(EW.com) -- In the final weekend before Iron Man 3 kicks off the summer movie season in earnest, Michael Bay's R-rated action comedy Pain & Gain topped a slow weekend at the box office with $20 million from 3,277 theaters, giving it an average of $6

(EW.com) -- In the final weekend before Iron Man 3 kicks off the summer movie season in earnest, Michael Bay's R-rated action comedy Pain & Gain topped a slow weekend at the box office with $20 million from 3,277 theaters, giving it an average of $6

Michael Bay's action comedy Pain & Gain flexed its box office muscles on Friday, earning $7.5 million on its first day in theaters. Paramount's $26 million R-rated film, which stars Mark Wahlberg and Dwayne "The Rock"

LOS ANGELES â€" "Iron Man 3" was the heavy-lifter at theaters with a colossal overseas debut that overshadowed a gang of mercenary bodybuilders in a sleepy pre-summer weekend at the domestic box office. The Marvel

Check out the top ten biggest box office openings this weekend in the United States HERE!