"Why would the Emperor make me choose? He would want you at my side as badly as I do..." Vader shook his head. "The Force does not show me the future as clearly as it once did, you will have to tell me how it came to that point. Though..." he paused. "Do you believe we can be returned to our own galaxies and that...it would be possible to act on our knowledge?"

He would turn Tatooine inside-out looking for a certain toddler if that were the case.