“Both and neither,” Tony says, not trying to be cryptic so much as to express his lack of direction. He looks at Banner as if he might suddenly laugh and reveal himself to be Loki, or as if he is just on the verge of disappearing into the dusk, a figment of his lonely imagination. If the latter happens, he’ll be setting fire to another three blocks just to get another two days of his company. Even if it’s just in his mind.

The staring probably isn’t something Bruce would be disturbed by. Tony isn’t an eye contact sort of guy but he’s always been intense and more than just a little protective of Bruce. There’s something more to it now though. Bruce stands for a break to his solitude. Tony has become a pet project for the other scientist and he finds that he really likes it.

“I’ve been working on upgrades to Underoo’s suit. Something to channel his web splooge through without all the options I—. You have no idea who I’m talking about. FRIDAY, bring up Parker’s greatest hits?”

Tony has never been good keeping secret identities.