i got stuck on one where you are cyrax and you have to fight kano noob and cyber sub zero with only one bar of health, one time i almost killed sub-zero, but he got me, most of my tries i can't even get past noob!
anyway cos i got stuck, i just went to the fatality training and did one of everyone's fatalities. i thought it was funny how they used the Joker's MKvsDCU fatality for Shang Tsung,