Loki levels a look at Darcy that if a teenage girl were to employ, would be accompanied with a disdainful duh. Yes, he's well aware of the effects a spear through the torso of a mortal man. He does not require education on that particular point.

"Yes, it is, in fact, blood," he says casually, dropping his hand to properly display how his eyes roll as he does so. "What, pray tell, did you assume I was going to do with him? Invite him to luncheon?"

He casts an appraising eye over Steve distractedly before ignoring him in favor of Darcy. "Are you quite all right? You're breathing is rather labored." Yes, he is more concerned with her being out of breath than him bleeding out on the pavement.