Once he'd loaded them in, he instructed the pilot to take them back to Stark Mansion and that he was going to fly ahead to get things ready. With that, Tony's helmet closed and he took off into the sky towards home. He didn't even want to look at the two of them, especially her gushing over the other him. It made him sick in the pit of his stomach.
There was nothing Pepper could do for him. He was cold, and his body was reacting bad to the curse and tattoo. Some portions of the tattoo would disappear when the nanotech repaired the skin only to have it reappear. He was probably in more pain than her with the Extremis virus inside of him. He'd curled onto his side, his eyes clutched closed tightly with the blanket wrapped around his waist to cover him.