Becca is the youngest of four, who (aside from Bucky) lived the longest out of her siblings. After the tragic death of her mother and brother, Travis, Becca tried to help her sister through the grief. When Suzie left to go overseas, Becca went to live with her aunt and uncle in Indiana. There, Becca met her future husband and eventually married, all the while unaware of what happened to her sister and oldest brother.

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While visiting Dallas, Texas, for a family vacation in the '70s, Becca had a run-in with the Winter Soldier. Though unharmed, the event traumatized her, and she vowed never to visit Texas again. She did not realize she had met her brother and would not know he still lived until the Battle of Earth in 2023, when Bucky was listed as one of the heroes who fought against Thanos and was later pardoned.

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Suffering from dementia, she passed away at the age of 96 in 2024 shortly after the events with the Flagsmashers, having never seen her oldest brother again. She left behind her brother, son, daughter, and several grandchildren.