Guardians of the Galaxy (Official Trailer)

Guardians of the Galaxy returned to the top of the box office with $17.6 million this weekend, making it the summer’s top-grossing movie, while Sin City: A Dame to Kill For flopped.

In its fourth weekend of release, Marvel’s Guardians passed Transformers: Age of Extinction biggest hit with $252 million domestically.

Warner Bros’ If I Stay opened in third this week, earning $16.4 million, according to studio estimates Sunday. The film stars Chloe Grace Moretz stars as a teen in a coma after a car accident.

High-school football film, When the Game Stands Tall, opened with $9.1 million for Sony; and Robert Rodriguez’s Sin City sequel completely flopped, debuting at #8 with just $6.4 million to start. The first opened with $29.1 million in 2005 and made $159 million globally.

Teenage Mutant Ninja Turtles came in second in its third weekend, while the Fox comedy Let’s Be Cops comes in fourth with $11 million.

That’s a wrap for this weekend. This upcoming week, look out for the Pierce Brosnan action The November Man and the Universal thriller As Above/So Below.

This weekend’s top 10 is as follows:

1. “Guardians of the Galaxy,” $17.6 million.
2. “Teenage Mutant Ninja Turtles,” $16.8 million.
3. “If I Stay,” $16.4 million.
4. “Let’s Be Cops,” $11 million.
5. “When the Game Stands Tall,” $9.1 million.
6. “The Giver,” $6.7 million.
7. “The Expendables 3,” $6.6 million.
8. “Sin City: A Dame to Kill For,” $6.5 million.
9. “The Hundred-Foot Journey,” $5.6 million.
10. “Into the Storm,” $3.8 million.