[ She manages to open it pretty easily. It's clear that the kidnappers really didn't think they'd be followed. Wu's head pops up out of the luggage, hands flailing to cover his face, but then he peeks up at Lysithea, eyes wide, and he sags a little ]

Lysithea! Lysithea, it's you!

[ His voice slurs a little, not fully in control of himself right now. ]

Oh, boy, am I glad to see you. Not that, not that I didn't, don't, get out of this, but Mako comes in, right through that door.

[ He points vaguely at the door to the train car ]

And picks me up and whoosh! Korra rips the ceiling off the car!