"Secret mission," Hiro covers, fast on the uptake for somebody who's still trying to recover his balance after nearly getting knocked on the floor. "But actually, we're just going to the market. So it's more like a secret shopping trip."

No mention of which market, or where it's located, at least not to current strangers, though as he dips slightly to one side and tilts his head to glance at the notebook, he has his suspicions; mainly because he only knows of two engineers staying in the hotel right now, one of which is conspicuously green, and the other is the elusive but much-talked-about Tony Stark.

Also, he'd like to divert attention from where they're going. "Whatcha workin' on?"