I haven't seen the movie or read the comic but Cameron did already pay cash to sci-fi writer Harlan Ellison after Terminator was "influenced" by Ellison's Outer Limits episodes "Soldier" and "Demon with a Glass Hand." Harlan is also mentioned in the Terminator credits.
Here are some other comparisons:
|THE PLANET:||Pandora, a lush jungle world with mysterious floating rock formations and an atmosphere toxic to humans.||Gennyo-Leil, a lush jungle world with mysterious floating stone slabs and an atmosphere toxic to humans.|
|THE WILDLIFE:||Lots of weird stuff, plus big dragons for the natives to ride.||Lots of weird stuff, plus the firekind: big dragons for the natives to ride.|
|OUR PROTAGONIST:||Jake Sully, a washed up Marine who goes against his own species when they go too far. Has a lot of furry otherkin sex.||Hendrick Larsen, a washed up botanist who goes against his own species when they go too far. Has no sex.|
|THE NATIVES:||The Na'vi, blue-skinned aboriginals with a planet-wide neural net connection.||The Kesheen, blue-skinned Aboriginals with a planet-wide psychic connection.|
|RELIGION:||The Na'vi worship Eywa, an animistic nature deity who is summoned against the invaders with devastating results.||The Kesheen worship Asha-Kadarine, an animistic nature deity who is summoned against the invaders with devastating results.|
|THE INVADERS:||Marauding colonialists bent on exploiting Pandora's unique resources: "Unobtainium", a rare and desirable miracle compound available only in the planet's unique geology.||Marauding colonialists bent on exploiting Gennyo-Leil's unique resources: "Hexacrin", a rare and desirable miracle drug found only in the glands of the planet's mysterious dragons.|
|DOES IT HAVE WEIRD FLOATING ROCKS:||Yes.||Yes!|
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