Steve-
"(Y/N) say daddy!"
"....."
"Dada?"
"......"
"Dad?, papa,?"
"....."
Tony walks in " cap she/he are just a idiot they can't speak" 
"Language!!"
"(Y/N) Say it again!"
"Language, Language, Language"
_______________________________
Bucky-
Steve is babysitting you and trying to make you talk
"Hey (Y/N) can you say uncle Steve?"
".."
"Wncle Stebe"
"Close enough!" 
"Bucky when did you get back?"
"5 minutes ago"
                                      
                                          
                                   
                                              
                                           
                                               
                                               
                                                  