Battles (Sam Wilson x reader)

*slowburn* Y/n Barnes, adoptive sister. Captured along with the 107th in the 40s Y/n is still alive thanks to the serum and Hydra. Now living with her brother she is introduced to Sam Wilson and her skills are needed to help fight the Flag Smashers. While they are fighting a battle against Karli Morgenthau Y/n is figh...