Tony nodded. "Mina's fine. Banner wasn't changed on a genetic level like you were. She's got some stuff that isn't quite 100% human but she's fine." He smiled, then his face got serious.
"I don't know how it's possible, Steve, but that baby right there is you. A little baby super soldier. And not your son. Actually you." He shrugged. That's all I can tell you." He ran his fingers through his hair. "The only thing I can think is that maybe he's a clone?" He'd heard that they had to grow up just like normal humans.