Onslaught is a 2026 American action horror film directed by Adam Wingard and written by Simon Barrett, released by A24 on September 4, 2026. The plot follows an army sniper (Adria Arjona) who must protect her young daughter from a trio of genetically engineered super soldiers that escape from a secret military facility. The star-studded cast includes Dan Stevens, Michael Biehn, Drew Starkey, and Rebecca Hall, with principal photography taking place in Albuquerque, New Mexico, from November 2024 to January 2025. The film received mixed reviews from critics, earning a 59% approval rating on Rotten Tomatoes and a score of 60 out of 100 on Metacritic. Notably, Wingard confirmed that Onslaught shares the same continuity as his earlier films The Guest and You're Next, forming an unofficial trilogy.