Movie News Sigourney Weaver Filmed ‘Avatar 2’ KisaFilmsOctober 20, 2020November 13, 20240 Sigourney Weaver was 70 years old while filming “Avatar 2,” but that only motivated her to pull off her own stunts. Sigourney Weaver Filmed ‘Avatar 2’ Underwater by Tying Weights to Herself, Holding Breath for Six Minutes KisaFilms visit author's website