User blog comment:Megadracosaurus/The Antagonist Of HTTYD3/@comment-4765630-20140923060345

WHOEVER the villian is, they will learn that Hiccup is now chief of Berk & Astrid is his girlfriend, so the villian(s) will try (& possibily succeed) to kidnap Astrid & threaten to kill her, in order to get inside Hiccup's head & mess with him