“The Monkey King” (2014) is a Hong Kong/Chinese fantasy film directed by Cheang Pou-soi and based on an episode of Journey to the West, a Chinese literary classic written in the Ming Dynasty by Wu Cheng’en. The film focuses on the origin of Sun Wukong (Donnie Yen), the titular protagonist who’s the only one who can prevent the Bull Demon King (Aaron Kwok) from taking over the heavenly kingdom.