The Invincible Iron Man #24 comic book from Marvel Comics Group
One must ask what did that guy reproduce with to get a son like that?  It obviously wasn't a super model.  But on a positive note, I am sure they won all the father/son day competitions. 

       

This is a scan of an old comic book. This item is not for sale. But you can find it on ebay.
Click below to go to ebay and search!