ACourtOfStories
The Winter Soldier was never supposed to remember her.
When an enigmatic SSR agent with impossible abilities crosses paths with James "Bucky" Barnes during the Second World War, a single stolen kiss sets two lives on a course that will span decades of war, betrayal, and impossible sacrifice. Torn apart by secrets, experiments, and history itself, they refuse to stop choosing each other even when the world insists they were never meant to. But some wars cannot be won by strength alone.
As old enemies rise from the shadows and time itself begins to unravel, the choices they made in the past become the only hope for the future. To save everyone they love, and more importantly, each other, they'll have to trust memories that don't yet exist, confront ghosts they thought were buried, and discover whether love is powerful enough to survive history... or rewrite it.
(Captain America: The First Avenger - Avengers: Endgame)
(Disclaimer: I own nothing but Vivienne and any original scenes and dialogue I have written)