One moment he's with his mother in that warehouse, left to die by the Joker after he was beaten with a crowbar, and the next he's with you. Jason is confused, because he should be under some piles of debris or something because as far as he's aware, the explosion just happened. And who were you? Why was he no longer in pain? He should be because of that beating he took. But he's not. He feels... Fine. There's not even a slightest bit of pain. "Who are you? Where am I?"