Bucky is an Avenger, saved from hydra by Steve. Bucky has a 5 year old daughter that no one, except Steve knows about. Jazz is Buckys daughter, jazz is very smart for her age and mature.

Bucky loves and takes care of jazz, even with being an Avenger plus doing missions. Steve and Bucky always watch jazz, they both lover her. Jazz calls Bucky 'daddy' and calls Steve 'Uncle Stevie'.

Jazz: Running out of Buckys room with Steve behind her, trying to get to Bucky before anyone else Daddy!