"I only kill people who need killing," and if that had once been a directive he hadn't decided on himself, that was between him and something a whole lot bigger than Loki.

"I just need to know that you don't need killing. And I want you away from this Tower. If there's a reason you're here, I'll even help you get it done if it means getting you away sooner. As long as it doesn't involve me crossing the Avengers directly."