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there is no cheats for motal kombat vs dc universe theres just fatalities heres a list of fatalities for ps3
scorpion-down down down circle superman-down down toward toward square
sub zero-back back down back circle batman-down back toward toward circle
sonya-down down back toward square jax-back toward toward back triangle
shang tsung- back down toward x liu kang-toward back down down x
kitana-back back toward square raiden-down toward down up triangle
joker-toward back toward square kano-back down back toward square
cat woman-down back down toward triangle baraka-toward toward down down x
the flash-back back toward toward circle
wonder woman- up back down toward square
deathstroke-toward toward down toward triangle
lex luthor-up up up square
captain marvel-down toward back toward square
green lantern-toward-toward back down back x
theres two fatalities for each person but i couldn't be bothered riten both down soz and sory if u don't hav ps3 it might not work on different console sory hope it helps
