1.

Yelena has spent almost half of her life locked away within the walls of the red room,every day since she was six training to be a widow.She's sent on many missions,most going well. But on a mission where she's hired to kill Clint Barton,Something gets in her way,something distracts her.Kate bishop, An archer
Simply just a sidekick for Barton.Shes always there beside him in fights,Yelena decides she needs to take Care of Kate before she can go back to Barton.
Something pulls her away,she recognizes Kate from somewhere,somewhere from years ago.making the action nearly impossible.