Hellish Kitty (Captain America)

Katerina Romanoff, aka Hell-Cat, is the younger sister of Natasha Romanoff, Black Widow. Together, they were trained by the Red Room to be assassins. Clint Barton, aka Hawk-eye, was sent to kill both Widows as they were H.Y.D.R.A agents. He gave them a second chance, to be a S.H.I.E.L.D agent and attempt to remove the red from their ledgers. After a few years, Katerina leaves S.H.I.E.L.D. in search of new life. Katerina Romanoff is sent on a life changing journey when she is cornered by her sister and past friends, wanting her to join the Avengers. How will Steve Rogers, Captain America, react to finding his soulmate after believing he lost his chance? How will he cope with knowing Tony Stark, Iron Man, is like a brother to her? How will Natasha react to her little sister falling for the man out of time?