Its definatly not the worst I've seen, that's for sure (that's an honour left for one of my originals that I never posted). However, the blood doesn't look quite right, such as the spurt that's going almost straight up from the exit wound. I suppose its realistic in a sense, but I don't think it fits too well.
Also, I guess its supposed to be blood falling down from Reptile's chest, but it looks like Kang's leg itself is bleeding (his right leg..the one on the ground). Also, chalk a couple points for stealing Li Mei's fatality 8)
Keep up the good work though, you'll get better in no time.
Oh yeah. Shadows make anything look complete. They're not too hard to do, so go ahead and add them next time