Taking them, Phil inserted them in his ears, also looking grim. "We did. Once. Eventually, anyway. Thor's hammer. It landed and no one could move it so it really wasn't threatening anyone."
The humming was growing louder still, other agents covering their ears or doing as Barton had and plugging them. Phil continued to watch, and took out a pair of goggles, ones that could scan through all the spectrums. "Huh." He passed them to Barton. "It doesn't have a heat signature. At all."