Onslaught contains no identifiable LGBTQ+ characters or themes. Its plot centers on a mother defending her family from escaped super soldiers amid mercenary action, with no queer identities, relationships, or storylines woven into the narrative.

Onslaught contains no transgender characters or themes. The film centers on a military action-horror plot involving a sniper defending her daughter amid a secret super-soldier program.

Adria Arjona portrays Celeste, a former Army sniper and single mother who confronts genetically engineered super soldiers threatening her family. Rebecca Hall appears as a scientist linked to the military experiments. Available accounts describe gun-based confrontations and sniper skills but contain no accounts of female characters prevailing in close-quarters physical combat against male opponents.

Onslaught presents its characters, including the German scientist Hans Kammler and his wife Hanna, without any recasting that changes the gender of figures from established source material or historical records.

Onslaught presents an original story with newly created characters and no adaptations from source material that establish prior racial identities. The lead roles feature Adria Arjona as ex-soldier Celeste and Dan Stevens as the scientist Hans Kammler, with no recastings of canonically defined figures from comics, novels, or history.

Not depicted.