Bucky heard the sound of voices approaching the kitchen and stiffened slightly when Pepper came in, followed by Tony, who was carrying a laptop.

Seeing Bucky, Tony grunted in satisfaction. He set the laptop on the table, opened it and spun it to face Bucky. "In the interests of full disclosure."

While Steve and Clint watched curiously, Bucky studied the schematics of what was clearly his own prosthetic arm. He looked up at Tony. "How?"

"My AI, Jarvis. On the plane," Tony said bluntly. "Pep caught me out."

Steve leaned over and looked at the screen, then glared at Tony.