Originally Posted by kedrell
Yeah, I'm not exactly buying that either. The only one they actually say is a prototype is the Mark 42. If they expected us to think that about the others then they needed at least to tell us.
Well, Pepper thinks he's only on his fifteenth armor, so this could imply that he's building them and hiding them from Pepper, which is something he stated to her about him being affected by the events of New York.