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.

American moviegoers are sending a loud and clear message to Hollywood: make critically acclaimed, original horror movies and we will come.

It's smashed the box office. It's earned rave reviews. And now, like clockwork, studios have sniffed out the buzz and are looking for a follow up. In the case of Zach Cregger's 'Weapons', a prequel. Here's why this is a terrible idea.

With $60 million domestically and another $40 million from overseas markets, Weapons has grossed exactly $100 million worldwide. It's the third horror hit in a row this year for distributor Warner Bros.