Invasion U.S.A. (1952): An unnamed Communist ennemy (meant to be taken as the Soviet Union) invades the United States.
Red Dawn (1984): In an alternate 1980s, the United States is invaded by the Soviet Union and its Cuban and Nicaraguan allies
Tomorrow When the War Began (2010): When Australia is invaded and their families are taken, eight unlikely high school teenagers band together to fight.
Red Dawn (made in 2009, released in 2012): While in post-production, MGM changed the villains from Chinese to North Korean in order to maintain access to China’s lucrative box office. (wikipedia).