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The villain is named Kai, who is a supernatural threat in the film.[1] However, actor J.K. Simmons provides the voice of the character, replacing Mads Mikkelsen after he dropped from the film due to a character rewrite.[2]


  1. Revealed in DreamWorks Animation's Kung Fu Panda 3 (2016). Written by Jonathan Aibel, Glenn Berger & directed by Jennifer Yuh Nelson, Alessandro Carloni. Distributed by 20th Century Fox.
  2. - "Mads Mikkelsen Leaves ‘Kung fu Panda 3’ Voice Cast + More New Details!" by Max den Hartog. Published April 27, 2015. Retrieved September 4, 2015.