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when did kung fu panda 4 come out
Originally, it was believed that Kung Fu Panda 4 would be released in 2018. Although, according to some reports, the film has been delayed until 2020.
when did kung fu panda 3 come out
Kung Fu Panda 3 was released on January 29, 2016.

Question: what was that movie about
Self-contained rewrite: what was kung fu panda 3 about