Instead of depicting a Soviet invasion of the United States as in the 1984 film, this film's storyline was originally intended to be based on a Chinese invasion but was later edited to depict a North Korean invasion in post-production due to concerns from distributors.
Instead of depicting a Soviet invasion of the United States as in the 1984 film, the 2011 version's storyline was originally filmed with a Chinese invasion. This was later edited to depict a North Korean invasion in post-production due to concerns from distributors.