Steve mirrors Bucky, applying his comm button, then nods, twisting his wrist again to retract the shield.

T'Challa gestures towards the train. "Then let us go," he says, somehow just as calm and polite as ever, despite the way Steve feels as though he's humming with impatience.

"Nakia will meet us with Mr. Wilson and Ms. Romanoff at the flyer," T'Challa tells them as they head back to the train. "Agent Ross is on his way to rendezvous and will meet us at a pre-determined point outside the city. We will use the flight to plan our approach."