What is the court ordered parenting plan?
What does her kicking him out have to do with your half of the parenting responsibilities?
How old is your son?
Do you still pay child support?
Do you still spend time with your son?
Do you think we have a crystal ball?
You asked us a question and gave us no information to base an answer on.
Suggest you talk to your lawyer or get one who specializes in custody issues.