Steve nods. "There are. My friend Cortana didn't have a body until she got here. She's just the one I know best, but she's probably not the only non-human at ADI." Steve maybe doesn't know all of them, but it stands to reason that there are more.

And even if there aren't, "The entities we're trying to stop. They're definitely not human, either. And I don't think their avatars are, either, after they start working together."