Not so great
First off, it's too action based. They talk only to give us a little time to rest between the fights. If you actualy spend time on writing the plot, why the hell do you dwarf it compared to the action? Hell, you added "Skip the Plit" buttons to this movie.
Second, the action isn't that great. You should put much more effort into animating the fights, frame by frame. Your fights are nearly as good as fights in a comics, meaning that you barely make use of the fact that your characters can move. You pretty much just show one frame per action, rather than giving each actiion a few seconds of animation.
Third, the novelty is wearing off. The first flash was really great, because it was so original. The second was a bit more boring. I barely finished watching the third. The original flash had novelty going for it. It was cool seeing the Marines from Starcraft talking about Starcraft stuff. Now it's just boring. The fact that they escaped from crap only to fall into shit just as the movie ended was surprising. Now it's the first thing I expect to see.
In other words, you've jumped the shark.