News is still breaking from Marvel?s Defenders panel at New York Comic-Con, but one major announcement has already hit the floor: Sigourney Weaver has been officially announced as the yet-unnamed villainess who will take on the team of Iron Fist, Jessica Jones, Luke Cage and Daredevil in the first team-up feature for the Netflix Marvel superheroes. The series is currently in production, and will reportedly hit the streaming service sometime after the first season of Iron Fist.