Larry King Live - Rourke vs Jericho

Is this real? Is it a work? Considering the talk of Mickey Rourke's involvement at the upcoming Wrestlemania, I have to wonder if this is real or if it was done to help amp up an angle for celebrity involvement at the show. Rourke seemed to be having a little fun with it while Chris Jericho seemed genuinely upset. In the end, the "feud" is a mere blip on anyone's radar. See for yourself: