Frozen Veins.

Hydra had many secrets-but none like her.
When the Avengers raid a crumbling Hydra base, they don't expect to find a girl strapped down, half-frozen, and barely alive. Covered in scars and frost, she carries a past no one can unravel and powers no one understands.

They bring her back to the tower, hoping to heal her, but it quickly becomes clear that she isn't just another victim. She's dangerous. She's broken. And somehow-though Bucky can't explain why-she feels achingly familiar.

As the team grows closer to her, one question lingers:
Is she a second chance... or another Hydra weapon waiting to destroy them?

Her fate is a mystery, but one thing is certain-
her story won't leave them untouched.

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Warnings:
-Violence and graphic injury descriptions
-Torture references (psychological and physical)
-Themes of trauma and PTSD
-Panic attacks / anxiety
-Medical emergencies
-Blood
-Character death (implied/uncertain)
-Heavy angst and emotional distress

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I only own the main character, all other characters are credited to Marvel.