Natures Little Warrior [Avengers + TMNT Crossover]

The Adopted daughter of Natasha Romanoff, a deadly assassin. But Jada Romanoff is far more deadly when she was taken from Natasha at age 12 by H.Y.D.R.A. and raised as a far deadlier weapon than The Winter Soldier, yet she has no trigger words, for she never questioned her superiors. Followed orders to survive. When she remembered something about her past, they wipe her memories.
With the Abilities of Telekinesis, Shapeshifting, Mental Manipulation, Flight, Mental Illusion of burning pain, and lastly the ability to control the shadows, she could easily destroy the City of New York if she wished it.
Now age 18, what happens when the Avengers find her on one of her missions? Will she remember who she is? What happens when she's tired of it all in a single day?
She goes out to get fresh air at night and meets a strange, hot-headed turtle. Will he and his family accept her too? Or will they fear her? What happens when love falls between her and the turtle with the red bandana and sai? Will she be accepted? Or will she push everyone away for their safety?