Master_Starwalker posted:He did recognize it.
Merlin_Ambrosius69 posted:Put zombie's and celera's posts together and you have your answer. The opening scroll says Vader already knows about Skywalker. When the Emperor "reveals" the facts about Luke, Vader is playing coy, but he's already aware of the kid's identity.
BarkingFrog posted:Vader was just playing dumb so he could recruit Luke to overthrow the Emperor. And I think the Emperor knew he was lying, too. You can sort of hear it in his "Yeeess... he would be a great asset". They were both planning to betray each other.