The new trailer for Marvel's Defenders, which is coming to Netflix on August 18, shows how we get Jessica Jones, Daredevil, Luke Cage and Iron Fist together as a team against The Hand and a big bad played by Sigourney Weaver. Check out some appearances by Misty Fox, Claire Temple, Stick and a boatload of ninjas. This is the culmination of Marvel and Netflix's collaboration that started with Daredevil season 1. Oh, check out the crazy hallway fight scene involving all the Defenders towards the end.