"Did you have a lot more paper to waste, or something?" he asks, not all that surprised for some reason that Jon doesn't actually come down here to work. Strangely, they seem to spend very little time together. And though Steve had previously assumed that maybe they'd do science or hang out privately together more, he's actually finding that makes a little more sense.

"Well, I appreciate it. Thank you." But by now Tony's probably disappeared right in front of him, so, he'll also settle in to do a couple drawings while he waits.