How do you use scorpions fatality on mk vs dcu

These are scorpions fatalities for PlayStation 3 and Xbox 360.

scorpion's 1st fatality ps3- sweep or 2 steps back when close to your oppenent.
then do down down down o

scorpion's 1st fatality xbox 360-sweep or mid range( same thing as PS3)
Then do down down down B

scorpion's 2nd fatality ps3- (same thing as first fatality)
but this time do toward toward back down x

scorpion's 2nd fatality xbox-(same thing as first)
but this time do toward toward back down X