where do i start?
first: You need to use a better preloader, the newgrounds default one will do fine
second: Use a background, to much white space is boring
third:make your sprites bigger, much bigger
fourth: make sure your movie has a point, this is just random meaningless acts of violence
and finally: TAKE MY ADVICE OR I WILL GUT YOU LIKE A FISH!
overall: you disgraced not only the good name of Mario, but you disgraced the good name of my favourite game: MORTAL KOMBAT!
i liked the music, that's all i liked though, you'll have to do better next time!