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There was a saying among the red room. The one time Black Widow failed, the Winter Soldier went after her. They would whisper to eachother "if fall ends, winter is coming".
There are a few personal things Natasha possesses. There is an arrow necklace, a token to remind her of Clint. There is a burner phone she can't help to throw away because it connects her to Steve. A black belt with the red hourglass, a practical gift from Maria. The first gun Fury. Permitted her.
The black Widow is not sentimental, can't allowed herself to be. Yet... but yet... no matter what cover she takes, she insists on keeping her hair a shade of red. A dangerous habit for a spy to keep, and one she can't always adhere to, but. Whenever possible her hair is red.
Like autumn
Like fall
So winter may find her"
Or
There was a saying in the Red Room, "If Fall ends Winter is coming". They called Bucky and Nat, Winter and Autumn. So even after she thought he died, with whatever disguise she would always have a shade of red hair. It was dangerous, but whenever possible her hair is red. Like Autumn. Like Fall. So that Winter may find her
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