For the first time in quite a while, Slade shows genuine surprise.

"You're Elastigirl!"

Slade struggles to free the kryptonite dagger, but his superior strength only succeeds in stretching Helen's arm slightly longer. He desperately slashes her with his sword, but the blows just bounce off like he was hitting a trampoline with a bat!

"Dang you, woman! You're ruining everything!"