Tony was looking at her, he hadn't expected Loki to faint like that either. "Ah isn't that dangerous for him since hes a frost giant?" he asked, he wasn't sure if that was correct. He was asking Thor this, he didn't even know if Thor knew the answer to that. He could see Riza and Thor were rather worried about Loki.
Bruce sighed and seemed rather unsure what he was about to do "Need any help?"