The Amazing Spider-Man has swung into action taking 35 million dollars in its first day - a record for a film opening in the US on a Tuesday.
The new launch for the Marvel Comics superhero outdid the previous best Tuesday debut of 27.9 million dollars for Transformers, which also opened the day before the Fourth of July in 2007.
Box-office trackers had projected that The Amazing Spider-Man - starring Andrew Garfield - might earn around 120 million in its first six days, through the end of Fourth of July weekend. But its strong start indicates it could do considerably more.
The original Transformers went on to make 155.4 million dollars in the US through Fourth of July weekend, which included receipts from Monday night previews before its official Tuesday debut.
Transformers: Dark of the Moon opened the week before the Fourth of July last year and pulled in 180.7 million in just over six days.
The opening-day results show the resilience of the Spider-Man brand, which set box-office records from 2002 to 2007 with the three films directed by Sam Raimi and starring Tobey Maguire as the web-slinging superhero.
After a falling out between Raimi and distributor Sony on a fourth film, the franchise started over, with Marc Webb directing and Garfield slipping into Spider-Man's red-and-blue suit.
The Amazing Spider-Man retells the story of how a bite from a radioactive spider endows gangly teen Peter Parker with super strength, agility and senses. The film co-stars Emma Stone, Rhys Ifans, Martin Sheen and Sally Field.