If they were smart they'd do some other spin-off, hiring both
and some modders here to contribute. You can call it FS3 without it being a sequel involving all teh answeres!!11elevenone.
Example, another situation entirely in which the Shivans either don't play a part, or they're just part of another plot which doesn't involve another incursion. Say, a small group of Shivans that can cause major havoc, [see FS1], and let's also say a terrorist group managed to manipulate an isolated group of Shivan survivors, and it just happens to coincidentally raise support for a politician's position who is getting reelected, now is it coincidence, or is the politician in league? Opponents to the politician disappear mysteriously. But then in the end, it's actually said politician's opponent
doing it, to make the opposition look corrupt! No one is ever prepared for
Spanish Inquisition Grammar Inquisition Inception
whatever, you get the idea.
Yeah, scatter brained idea, but Batts would be able to do something amazing with it, and
would have the resources to make it polished (the community could too, but RL gets in the way so it'd be a long time..)