Sucker Punch Sketch

Just a sketch, I do need to add colour though because I want to see how it turns out. Some bits haven't been completely finished and left blank. This is because on the picture I was referring to there were bits in it that were very dark and I could not make some of the outlines out so I just left it out the picture .
I did this because I had nothing to do and I was listening to the soundtrack at the time and I thought it would be good practice in drawing people.
What do you think of it?