Force Unleashed 2 is most def going to happen eventually, just like KotOR III. I would hope that Force Unleashed 2 focuses on Maris Brood and leads right up to A New Hope. Otherwise, Maris Brood's inclusion in the game is basically like wtf?
"Everything I tell you is a lie. Every question I ask you is a trick. You will find no truth in me."
―Vergere to Jacen Solo