Originally Posted by psylockolussus
Hatred? I didn't know she hated Professor X. Just because they were in different sides, it doesn't mean its personal. She did poison Xavier in X1, but she was merely following Magneto's order.
Well because XFC gave us a pretty deep xavier / mystique connection (which honestly wasn't needed) they kinda have to explain why neither one of them talk to the other in the OT .... The lack of talking to a man that essentially was your sibling imo means there's quite alot of animosity there