The blank look on Dean's face would no doubt let Spike know that he had no idea what the vampire was babbling about. This was different from all the other time slips and god only knew what.
The Spike he was sitting with obviously knew him, Sam and Faith but had no idea about Vikki. There was talk of ghosts and final battles, all of which meant nothing whatsoever to Dean.
He slugged another few mouthfuls of whisky and leaned on the back of the chair.
"Okay, enough with wiseass cracks. And karma? Screw that too. Let's go back to the start, huh? Tell me what you know?"