Korra had recognized him quickly enough though Aang's confirmation still makes her gulp a little. Lord Zuko normally shows up on a dragon or something, you know? Nearly falling to his death is a new. Also the 500 fewer wrinkles.

It's dawning on her how young they both are. And neither of them knowing her means... what?

Something bad, probably.

"Yep, that's me. Avatar Korra." Realizing she's been staring, Korra leaps down and offers a nervous wave.

"Also here! ...For some reason. You guys know these people?" She gestures up.