Backstory

So this is my first ever story so I hope yall like it. So we're gonna pretend that things in the MCU were different and that Natasha has a kid sister that also graduated the red room program with her. They just didn't graduate at the same time. Natasha was told that her sister died on a dangerous mission to Siberia to kill a high profile target. Natasha's sister, Alina, or Ali for short, was told Natasha died in Budapest.