Weapons' debuted at $42.5 million, while 'Freakier Friday' premiered to $29 million. Reigning box office champ - 'Fantastic Four: First Steps' fell to third place during its third weekend. "Bad Guys" and "The Naked Gun" round out the top five.

New Line's horror pic and Disney's family comedy delivered a double win for the late summer box office, as well as a victory for two challenged genres.

“ Weapons ,” a twisty horror film about a group of missing children, and “ Freakier Friday ,” a body swap comedy, delivered a potent one-two punch at the box office this weekend, lifting ticket sales as summer movie season draws to a close.