"So, let me get this straight in my head," Stark says, incredulous disbelief on his face. "You want me – with the most daddy issues out of all of us – " he waves a hand at Bucky, sat lounging on the couch, "an assassin with a broken brain," he continues before nodding at Clint "and a guy who is half mad with grief at losing his wife and kids to be this kid's guardians."