Tony: So what does this mean? A new spirit of cooperation between our teams?
Natasha: It’s for the best, Tony. And it’s long overdue. You’ve got a remarkable leader in Wanda. She did things today I didn’t know she was capaable of. Look, we’ve known each other for years, Tony… so so I’m sure you won’t mind me saying this… why don’t you start giving Wanda some more credit… and freedom? You wouldn’t want to get on her wrong side… now would you?
Tony: Or her on mine

This was when Tony Stark was posessed by an evil outside of normal space time and then killed a bunch of Avengers in order to reset a franchise. These things don’t just happen to the Scarlet Witch.

From Force Works #14, by Abnett & Lanning and Dave Ross.