Originally Posted by MacLeodGR
They never went over that. I would like to know how the Emporer, Vader, and Jade meet. I think it would be an interesting recruitment. How does Vader except another force user being utilized by the Emporer. Or- Does Vader even know about Mara.
He knows about her as seen in the tales comic Extinction
And i'd doubt he'd feel threated by someone as weak as mara jade he was a sith lord and she was pretty much on the padawan level of force sensitivity.