"Hehe... You miscalculated" What exactly? I'm pretty sure she perfectly managed to capture you, poison you, drug you and turn you into a slave last time no? Or is it because she didn't act based on the possibility that someone reversed time and is plotting a vengeance against her for something she hasn't even envisaged of doing yet?
But seriously, I love how bipolar he is, one moment having a Poker face, hiding his knowledge and intentions, and the next going full Joker face, but somehow managing to do so at a moment where everyone is temporarily blind.