"It turns out that the filmmakers scrubbed the Tibetan origins of the character from the comic book altogether, in large part over fears of offending the Chinese government and people — and of losing access to one of the world’s most lucrative film markets, according to one insider account."
https://www.nytimes.com/2016/04/27/world/asia/china-doctor-strange-tibet.html
"It turns out that the filmmakers scrubbed the Tibetan origins of the character from the comic book altogether, in large part over fears of offending the Chinese government and people — and of losing access to one of the world’s most lucrative film markets, according to one insider account." https://www.nytimes.com/2016/04/27/world/asia/china-doctor-strange-tibet.html