Superman: "Joker, don't you even dare attempt anything. I'll squash you like a..."
Joker: "Oh now that is a funny joke! I heard everything. You have no powers and are obedient to the person with this do-hicky. And it looks like I'm the person with this do-hicky. So we'll unlock those powers of yours in a minute. But Batty was right. Let's fix the wardrobe shall we? Say yes please!"
Superman: "Yes, Joker."