China is taking aim at American movies over Trump's tariffs. Here's why that poses a big risk to Hollywood.

Moviegoers watch the animated film Ne Zha 2 on Feb. 14 in Harbin, Heilongjiang province, China. (Chi Shiyong/VCG via Getty Images) (VCG via Getty Images) With the United States and China locked in an escalating trade war sparked by President Trump's tariffs, America's biggest economic competitor isn't limiting its response to just material goods. China said Thursday that it is also taking aim at the U.S. film industry, limiting its access to the world's second most important movie market. "We wi…