Mafia 47. Battle of Movie Heroes

It's not very clear why Potter can't be blocked.

The point is that Potter should have noticed Batman's block and it would have registered in his mind that "the block didn't work because I moved first." And he would remember that at the right moment.
Yeah, but that's just a theory, and with you, it turns out differently. I'm completely confused by all this psychology, I'll have to change everything...