In HYDRA, the supervisors forced procreation within male and female super soldiers, essentially creating a new generation time by time. It was Bucky's turn to be forced into the room, bare with an electric shock collar around his neck, his lips bloody and chapped, eyes soulless as he curled into the corner away from.. technically, the mare HYDRA gave him.

9 months had passed inside the cell, the female super soldier had a gloved hand over her mouth as she was under the sterile lights of the medic room, birthing the unwanted child. She wanted to scream, though her throat was too raw from the previous ones due to contractions.

Once the doctors took the shrieking infant off the table, they took it to the nursery without letting it feel the touch of its mother, nor its father.

—

Within the sterile nursery, the infant was cleaned and wrapped in linens, placed in a cot amongst other super soldier babies. Bucky watched from the glass window, putting his hand to the glass as his breath fogged the window, though the soldiers dragged him along back to his cell. According to HYDRA protocol, they had to wait until the baby was viable to be taken out of the warm nursery and into the metal arm of Bucky.

With the clang of metal bars, the cell door shut in Buckys face, leaving him rambling inside his thoughts. He should hate this child. It's a product of HYDRA. But, paternal instincts seemed to get to him. He didn't like it, though reluctantly welcomed it.

—

At daybreak, Bucky flinched awake from like, his billionth nightmare as the soldier unlocked the cell, giving him his tray of breakfast and a dusty bottle of water. The soldier shut the cell door on his way out, though unbeknownst to him Bucky had snagged the key off his utility belt. With the key, he swiftly made his way through the halls, getting into the nursery and pausing as he saw the incubator which held his baby.

Z-41, BARNES

Bucky went to his knees by the cot, eyes peering through the glass at the sleeping infant. His shaky metal finger clasped the dogtag attached to the hatch.

BARNES, (NAME) (GENDER) PRODUCT OF [REDACTED] & BARNES PROTECTED CARGO

Bucky's eyes subtly softened, before letting go of the nametag and just staring at the baby in the hatch. He had thought for months Hydra made him sterile, made everyone sterile. But no, they must've worked a way around the torture for it to not compromise fertility.