Since Zee was still standing by Sam's head and half in and out of reality watching over him he was the one that whipped the door open to see who the hell was knocking. His brows went up a little seeing the person who knocked on the door. Not like he knew her all that well personally but he definitely knew who she was.
"So what? You couldn't come in so you went an got a super hero t'knock?" He pointed at Cas without looking away from the Canary. "We're busy, go sell stuff to the other poor sods down the road."