Marvel's The Defenders ignore Sigourney Weaver's advice in final trailer 

Alexandra (Sigourney Weaver) just wants to help New York’s heroes — by advising them against teaming up.

“I can see you’ve formed a bond here, but I promise you it’s temporary,” she warns in the final trailer for 

, above. “They will disappoint you… the more connections you have, the easier it will be to break you. You need to think this through.”

But thinking things through isn’t the Defenders’ style. By the end of the trailer, the quartet’s united against their enemies, with Luke Cage (Mike Colter) telling Danny Rand (Finn Jones) to light up that Iron Fist of his, Jessica Jones (Krysten Ritter) pummeling their foes, and Daredevil (Charlie Cox) encouraging the team to fight as a unit.

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