It wasn't as civilised as the one on the helicarrier, but then again, Bruce supposed, a cage is a cage.

"I'm really sorry, Bruce." The sound from the outside echoed through the four metal walls, and it was Tony could hear, but he couldn't see him. "I didn't want this to happen." Tony tried again, a hint of desperation in his voice.

"You tricked me." He spits angrily. "I haven't had an incident in sixteen months, and that was for S.H.I.E.L.D., and you let Fury lock me up? You promised me I'd be free!"

"I promised you you'd be safe."