DC Comics flashed the box-office might of Marvel at the weekend box office, where its Suicide Squad set a record for an August debut with US$133.7 million, according to final tallies Monday.

The Warner Bros release, like March's Batman v Superman: Dawn of Justice, was lambasted by critics. But David Ayer's antihero team-up film nevertheless became one of the summer's biggest hits.

A steep slide on Saturday, after fans flocked theatres last Thursday and Friday, however, could signal further steep declines for the US$175-million film starring Will Smith, Margot Robbie and Jared Leto.

Here are the top 10 movies at US and Canadian theatres Friday through Sunday, followed by distribution studio, gross, number of theater locations, average receipts per location, total gross and number of weeks in release, as compiled Monday by comScore:

1. Suicide Squad, Warner Bros;US$133,682,248, 4,255 locations, US$31,418 average, US$133,682,248, 1 week.

2. Jason Bourne, Universal, US$22,405,125, 4,039

locations, US$5,547 average, US$103,111,145, 2 weeks.

3. Bad Moms, STX Entertain-ment; US$14,004,006; 3,215 locations; US$4,356 average;US$50,850,836; 2 weeks.

4. Secret Life Of Pets, Universal; US$11,500,590, 3,417

locations; US$3,366 average; US$319,519,370; 5 weeks.

5. Star Trek Beyond, Paramount; US$10,036,030; 3,263

locations; US$3,076 average; US$127,737,394; 3 weeks.

6. Nine Lives, EuropaCorp; US$6,249,915; 2,264 locations; US$2,761 average; US$6,249,915; 1 week.

7. Lights Out, Warner Bros; US$6,006,454; 2,581 locations; US$2,327 average; US$54,715,706; 3 weeks.

8. Nerve, Lionsgate; US$4,861,528; 2,538 locations; US$1,915 average; US$26,850,322; 2 weeks.

9. Ghostbusters, Sony;US$4,676,192; 2,545 locations; US$1,837 average; US$116,588,128; 4 weeks.

10. Ice Age: Collision Course, 20th Century Fox; US$4,325,094;2,738 locations; US$1,580 average; $53,564,891; 3 weeks.