Yeah, he's not taking that lying down. As Derek carries him into the darkened and dim warehouse, Stiles' mouth is (of course) running eighteen miles a minute.

"This is such a stupid set-up that I cannot believe I didn't even see it coming. You used that! You used me! You knew I'd be all gung-ho to be tested and try something and prove that I could do this crap that you got yourself jumped by a bunch of Kedan gangsters. Oh my god you're an idiot sometimes!"

Although he's using the constant barrage of words to stare as hard as he could. His vision was still a bit blurry from the pain, and it was dark out, but he was trying to see the shape of Batman's ears, the tilt of his jaw, the outline of his lips. That false mustache though, it obscured so much of his face, and those dark sunglasses covered the rest.

"Are you hurt? Seriously, if you're hurt we have to get you to a doctor, like, right now. I'm fine, I've been punched harder and worse than this by a crazy old psychotic who liked to play with electricity and knives, this is nothing, I'm worried about you, Batman."