Steve-
Steve was going on a late night jog, when he heard a noise he followed the noise, he looked behind the bush and saw, a baby girl/boy wrapped up in (f/c) (Favorite color) blanket. He picked up the crying infant and looked at the chest which had a not tapped to,
"Dear, whoever find this baby,
I can no longer take care of him/her,
her/his name is (Y/N) there birthday is (B/D)."
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Bucky-
Bucky, Steve were attacking hydras base, they had split up yo cover more ground as Bucky was searching the base he heard crying, Bucky followed the crying and found a baby girl/Boy with scars everywhere Bucky grabbed the baby and this time he noticed the baby had a arm like him. Bucky ran to Steve and said "This is my daughter/Son (Y/N) and I'm keeping her /him and there is nothing you can do about it!" And Steve shrugged and followed Bucky out.