Without question UMK3 Kabal is > than MKD Kabal.
MKD Kabal is a very defensive character that is only effective on his opponent's mistakes. Once he hits you with HookSwords 4 or U+2 then he has you and it's hard to get out. Other than that, play equally defensive and Kabal is hard not to beat.
UMK3 Kabal is a very offensive character, but in a defensive kind of way. He's always safe, if played right. He can and will spin you on your every mistake as the spin has no startup frames.