[He's heard that before, so it's not a surprising question. At the same time, he wonders why he seems to be the only one that sees the obvious. To him, it's more like he doesn't understand why Tony and Steve aren't friends already rather than why Bucky would be his friend.]
Hm...not the first time someone's asked me that one. Let me give you a question first before I get to it. Who'd you learn about first: Captain America or Steve Rogers?