I was reading the IMDb page for Pokemon: Mewtwo Strikes Back and one of the bits of trivia states that "The Japanese version has an entirely different story".
the-natural
underworld-evolution
training-day
twice-upon-a-time
setup
screenwriter
a-million-ways-to-die-in-the-west
the-lake-house
v-2009
extraterrestrial
boondock-saints
sergio-leone
desperate-housewives
glow
world-on-fire
married-at-first-sight
replicas
spirit-stallion-of-the-cimarron
jean-claude-van-damme
marcella
fantastic-mr-fox
the-reader
shelter
doc-hollywood
extinction
an-elephant-sitting-still
ouran-high-school
finding-forrester
zombieland-double-tap
black-widow