Walking Dead: World Beyond's impending gas attack could have major ramifications for Rick Grimes' The Walking Dead movie. When Andrew Lincoln announced his departure from The Walking Dead, many expected Rick Grimes to meet an untimely end at the hands of a hungry zombie.
Instead, Rick was taken away by a mysterious CRM helicopter, setting up future storylines for the grizzled protagonist. Sure enough, AMC confirmed a series of The Walking Dead movies in the works with Rick as the lead.
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