Question: What is the title of the 2014 dark fantasy film based on the Nikolai Gogol story that has a Russo-Chinese fantasy film sequel ?
Sentence (from "Viy 2: Journey to China"): Viy 2: Journey to China (Russian: Вий 2 alternately known as Journey to China: The Mystery of Iron Mask) is an upcoming Russo-Chinese fantasy adventure film.
Relevant evidence: Yes