The impression I'm getting is that it's following the storyline of Tekken 4 according to the Jin Kazama Story Mode scenario, which is actually not main series canon... Personally, I don't know for sure how they crossed over from Tekken 4 to Tekken 5, but I'm pretty sure a Mishima won the Fourth King Of Iron Fist Tournament if it was completed at all (according to Kazuya's ending, the Mishima Zaibatsu was completely destroyed before the tournament could be resolved, and that's actually the ending I believe to be canon)... Regardless, this movie could ruin Jin's scenario in that game for me forever, because it's clearly going to suck eggs...
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