Klaus catches the bag when he stops hitting it and it swings meanly back towards him, and he keeps his back to Logan. Tension is crawling through him, and if Logan really can't be killed, what would be the harm in letting it all out on him?

But if he starts to let himself do these things, he'll have the whole station on his back faster than he can say 'Hyde'.

"Not today, Wolverine."

Somehow, he makes that sound like an insult.