Mortal Kombat 2: How Much Does Scorpion vs. Noob Saibot Factor Into the Sequel?

Considering that Karl Urban's Johnny Cage is the main protagonist of Mortal Kombat II, just how much will the Scorpion-Noob Saibot subplot figure into the sequel, especially since Hiroyuki Sanada has become an even more in-demand (and award-winning) actor since the first film thanks to the success of Shogun?