This movie was not quite what I hope it to be. I mean, is good in terms of animation, script and voice acting, but lacks in story impact for the fans of the game (and we know that the real Street Fighter story would work better than this one, while this has at least some basis). In this movie, we know a young martial artist named Ryu. His sensei Gouken was killed some time ago by a man named Gouki (we, the game's fans, know that Gouki and Gouken were actually brothers, but this is not mentioned in the movie at all, maybe because is just not relevant). This Gouki uses the power of the Satsui no Hadou, wich is no other that the 'Evil Intent'. Ryu is feeling that power inside him, and try to find out how to defeat it. Just in this stage of his life, a kid shows up reclaiming being his young brother. This boy also has the power of Satsui no Hadou and manifests it. Things are not getting any good to Ryu. The script open many storyline gates, but the one that really matters is Ryu's internal fight, while not the character's life itself. So, when the movie ends, all other storylines remain opened, while only the important one closes. This is very risky for a script, but I think it works fine. I mean, in the real life at the end of one dilemma, other possible dilemmas might not get solved. This is what happens to Street Fighter Zero. However, some of this dilemmas actually needed to be solved, like Sakura's. For example, Chun Li has her own dilemmas, but she actually gets in Ryu's way, so to know some about her was obvious. But what impact had Sakura on Ryu's trial? None. It was, in fact, in the other way: Ryu has a strike on Sakura's trail. That would work for a Sakura movie, but not for a Ryu movie. I felt Sakura's incursion very rushed, like a fan service thing. However, in the whole, Street Fighter Zero is a good, but not excellent movie. It could be better, just that. And an advice: This movie is not for those who look for a lot of anime action. This is more like Ang Lee's Crouching Tigger, Hidden Dragon. It has some action, but the spirit lays in the inner fight.
