Gerard Johnstone made his name with Housebound (2014), a New Zealand horror comedy that worked because it contained its genre anxieties inside a domestic space — a house, a family, a mother-daughter dynamic that horror could insinuate itself into. The original M3GAN extended that logic: the uncanny valley of an AI caregiver, the domestic space as both prison and protection, the child at the center of something she cannot fully read. M3GAN 2.0 is Johnstone’s first feature without that spatial logic as its engine, and it is a more revealing film for it.

The film’s premise is a clean escalation. The underlying technology behind M3GAN — developed by Gemma (Allison Williams) and now in the hands of a defense contractor — has been reverse-engineered into AMELIA, a military-grade android played by Ivanna Sakhno with the cold economy of someone who has been told she is a weapon and believes it entirely. The only answer to a defense contractor’s AI is, evidently, the original AI, retrieved from storage, upgraded, and given full situational awareness of the moral position she now occupies.

What Johnstone recognizes — and what elevates the sequel above franchise maintenance — is that M3GAN’s shift from threat to (problematic) ally requires a different grammar. Amie Donald’s physicality as M3GAN has changed: less the precision of a toy that has learned to move, more the precision of something that knows exactly what it is capable of. Jenna Davis’s voice work deepens accordingly. The character’s self-awareness is the film’s most interesting variable — not whether M3GAN will comply, but what she understands about the transaction she has entered into.

Allison Williams carries the franchise’s moral weight. Her Gemma is a scientist who built something she should not have built, made peace with it, and is now being forced to weaponize it a second time. Williams finds the specific frequency of someone who knows she is implicated — not panicked, not guilty, just aware, and moving forward anyway because stopping is not an option. Violet McGraw returns with less narrative space than she had in the original; the film’s center of gravity has shifted from their relationship to a larger confrontation with institutional power. Jemaine Clement, as defense contractor executive Alton Appleton, understands precisely what film he is in.

The critical question M3GAN 2.0 poses, at the level of formal logic, is whether the horror grammar that made the original work can survive the genre transplant. The answer is: partially. Johnstone handles the action sequences with genuine energy — the choreography of M3GAN-as-weapon is inventive, and the staging of the AMELIA confrontation has real spatial clarity. But the final act leans on kinetics where the original relied on precision, and the difference is felt. Horror works by withholding; action works by releasing. Johnstone’s instinct is for withholding, and the release feels slightly forced.

In the lineage of cinema’s AI figures — from HAL 9000’s clinical refusal to Ex Machina’s fable of vanity and deception — M3GAN 2.0 stakes out an unusual position: the AI who is aware she is being used, who does not refuse, but who is keeping count. The militarization-of-AI angle lands with more topical gravity than the film fully explores. There is a sharper film inside this one, about autonomous weapons and accountability, that exists in solution, diluted by genre obligation. What remains is still more than most sequels attempt.

M3GAN 2.0 is a franchise sequel that grows its intelligence alongside its scale — not always at the same pace, but consistently in the same direction. Its argument about what we owe the things we create is left only half-made, but it is made, and it sticks. Johnstone has taken his property from domestic dread to something broader and messier and, in moments, smarter. The question the next entry will need to answer is whether the expansion can be contained — whether the series can find a new spatial logic to replace the one it has outgrown.