Didn’t Kenner come close to doing a toy line at one point that was based around the premise that Tarkin somehow survived the Death Star and came back to cause trouble after ROTJ?
“Evacuate? In Our moment of triumph? I think you overestimate their chances. … Now, you gentlemen seem to have this matter well in hand, so if you’ll excuse me, I think I’ll take a well deserved trip to the Wieland Riviera in my personal shuttle.”