When Rachel reaches the present, the details don't line up with the history she remembers. Illyana is older than she should be. Xavier can walk. Storm looks different. Even the circumstances surrounding Senator Kelly are wrong.
In Uncanny #184 she's exhausted and homeless when Selene comes after her. A man named Nick offers her somewhere safe to stay, and Selene kills him. The X-Men arrive and help, but even that reunion brings another shock. These people look familiar without having lived the lives she knows.
So getting to the past hasn't brought her home. She's trying to work out where she is while facing somebody who wants to exploit her power.
Kitty gives her an important connection. There is history between them through Days of Future Past, even if this young Kitty isn't the adult Kate Rachel knew. Having somebody she can become close to matters when almost everything else feels wrong.
When Rachel reaches the present, the details don't line up with the history she remembers. Illyana is older than she should be. Xavier can walk. Storm looks different. Even the…
· Comics / Marvel / X-Men