This ws epic before I looked at the full image, but it became 10x as epic when I saw little Wolverine in the middle there with the "Grrr" lol. Wonderful in all aspects, from shading, to facial expression, to body stance, to the comedy in there.
That's awesome. (I know its a year later). I just think the hair is too flat at the top of his head. Not sure about the black outline.
Wow, fantastic! Would you mind to draw Batman? Lobo? Elektra? ... ;)
I think that sorts out a few things. I'm not good with dynamic poses, and I wanted him to hunch forward slightly, but I guess that didn't really work. I think the best thing would be to start over with something that was constructed right to begin with instead of doing all those changes and struggling to make it all fit together. Bleh, I need to practice drawing people more. 
Thanks for all the kind words! 
What would you rather I'd left unchanged, sharprm? I'm sure there's something I've done to screw up his anatomy, but I don't see where you find feminine features.
The progress animation was amazing just like this piece is and I am always blown away with what people can do with limited colour pallettes and you are definitely one of them. Great Work!