Deadline Hollywood reported New Line Cinema emerged victorious in a bidding war for the spec script, reportedly beating Universal, Netflix and Sony/TriStar. The Hollywood Reporter detailed that the package included a sum in the eight figures, a guaranteed green light for production, final‑cut rights for Cregger, a share of backend profits and, crucially in securing the deal, a guarantee of a theatrical release. Insiders described it as an unprecedented arrangement in recent times and likened it to the deals M. Night Shyamalan secured after Шестое чувство (1999).
Netflix was willing to pay more up front than New Line, but the guarantee of a theatrical release and New Line's stronger track record in horror proved more compelling.
Audiences at an early test screening lauded the film for achieving an ideal balance of horror-comedy and small-town drama, hailing it as a fitting successor to the early horror work of Sam Raimi and Peter Jackson. Moreover, it was noted to share similarities with the films of Bong Joon-ho as well as late 1990s and early 2000s horror-mystery films such as The Ring, What Lies Beneath and Sleepy Hollow.
According to Deadline, Universal Pictures was the only other studio besides New Line that came close to securing the deal. Jordan Peele would have produced through his Monkeypaw studio with Universal, but their offer was US$7 million lower than New Line’s proposal. Peele was reportedly willing to cover that shortfall from his contractual back-end, however Universal were uneasy about the budget as a commercial proposition and pulled out. Peele and Cregger shared the same manager, Peter Principato, which may have presented a conflict of interest. Peele subsequently parted ways with his management company, Artists First.
Soon after the film's announcement, early rumours suggested the plot would centre on "witchcraft and missing children".
The script for Weapons is said to echo the tone of Магнолия (1999), by film-maker Paul Thomas Anderson. Magnolia — and, reportedly, Weapons as well — contain several interwoven narrative strands that are connected to one another.
A full trailer for the film premiered at Warner Brothers' CinemaCon but was not released online. A few weeks later, a mysterious 45-second teaser was screened before the film "Sinners" in cinemas.
Rooney Mara and Elizabeth Olsen were offered the leading part but both declined. Pedro Pascal and Renate Reinsve were later cast but ultimately had to withdraw owing to scheduling clashes. Pascal withdrew to take a role in The Fantastic Four: First Steps (2025), a film in which Julia Garner also appears.
Deadline reported that the deal was sold to New Line for $38 million, covering the film's budget and including $5 million paid to Cregger to direct — a figure that rises to $10 million in total once his screenwriting and producing fees, earned alongside Vertigo's Roy Lee and Miri Yoon, and producers J.D. Lifshitz and Raphael Margules, are taken into account.
Originally slated for release on 16 January 2026, it was brought forward to 8 August 2025 following test screenings.
Weapons is Julia Garner's third film in the horror genre. Her other horror films are Wolf Man and Apartment 7A.
