Hi
First of don't worry , panicking will not help you now.
It seems your marriage has issues which are relàted o physicak relationship as well.
If the relationship has not happened normally an it was her unwillingness you should seek divorce on that ground.within one year could have filed for nullity of marriage.
If there was no matrimonial/conjugal relàtionship,this should have addressed by this time .
It is better to get the help of marriage counsellor to sort it out if you feel you can live with her.
Regarding the divorce ,if there was no physical relàtionship happened ,means the marriagé has not consummated and is a ground for divorce.
You consult/speak to a lawyer personally and find out how to proceed .
It is better you take care of it before she takes any legal steps.