the unraveling of natasha romanoff

kate and yelena started dating after new year's, and even though yelena's moving on with her life and getting used to being with another person, she's still stuck on natasha.

she has so many questions and wants her answers, even though she's not sure what to expect. what if natasha wasn't who she remembered? what if none of them knew about her and don't give her the answers she wants? what if this does more harm than good?

and also; most importantly, who the hell is wanda maximoff and why does everyone keep bringing her up?