[He doesn't exactly smile in turn, guarded in this situation and the general arrival madness, but any threat he poses is directed entirely at the creatures around them. He gives a low, acknowledging, agreeing hum.]
No, I don't imagine that it would be. [What he observed of Steve in that brief moment was enough to at least tell he probably would have been okay even without Fenris' interference. But still.] Taking them out at the source does not appear to be a proper option either, given that... there's no clue for where that is.