I do not know when the Pietro who is here is from, but in our universe, ... he was the one who drove her to the final acts that caused so much havok. He went insane first. As much as I would like to not prejudge someone, based on his actions and words here, I do not trust the Pietro who is here to not be that wrong-headed.
Nonetheless, I hope your efforts go well. If I can assist in anyway, let me know. Wanda is and always will be an Avenger, and someone who I admired.