no, not becuz kung-fu panda but becuz of blizz humor/ 3rd party rumor that somehow gain too much support and it turned into a reality

there few similar cases where some wild rumor turns into something bizzare-like and included into content, remember the rumor about some old farmer dressed in cow suit, and by manually add/changing text into the game folder there will be a portal to take you to a place filled with bovines?

blizz is famous for it's april fool jokes, the panda was originally an april fool joke about 'panda xpress' - an in game food delivery service that composed of pandas would serve fast food to your doorstep while you playing warcraft3 (via in game order, poking fun of everquest and pizzahut fast food service).

people are happy (except china gomen) with the panda race to the point that blizz decided to add lores about the land (pandaria) and introduce a neutral hero class (chen stormstout) in the game

so i'm expecting when new expansion is out for WoW other people will be playing 'Mist of Pandaria', while china will be playing 'Mist of Furbolg' becuz 'killing' panda is... just wrong.

fyi, 'kung-fu panda' actually comes AFTER Warcraft 3 expansion, so some people actually guessing pixar steal borrowed the idea from blizz...