[ Tony pulls the backpack on again - at least he got enough charge to power the antigrav for another hour or two, otherwise lugging this thing all over the city would suck a lot - and prepares to follow the guy to this mysterious new and better power source. ]

Wait, hold on. Okay, first of all, I have a ton of patents and I've already run my own company just fine, so— [ That's bait, isn't it? Don't take the bait, Tony! Restrain yourself! Focus! ] —you know what, forget it. Whatever. Are you messing with me? My dad's here? Howard Stark?

[ That's amazing news... almost too amazing. Tony has a history of being the person who looks up when you say gullible is written on the ceiling, it's true. But "I know where your missing father is and you can see him again if you do as I say" is a very specific tactic that just so happens to have been central to, not to be dramatic or anything, almost everything bad that has ever happened to him in his entire life. So he's a bit better primed to be suspicious of that particular gambit. ] ...You're not just reading my mind and telling me what I want to hear to get me to trust you, are you? [ He would notice a technological incursion via Extremis, but that doesn't rule out more traditional methods of telepathy. ]