You need to register your marriage in your county and get the marriage registration certificate.

You can file concurrent applications for green card using forms
I-130
I-765
I-485
Gathering all of the documents required for the above forms can take a month or so.

Once you have all the documents ready, you can send them to USCIS along with the forms. Assumming you do not get any RFEs, processing of you application could take anywhere between 2 months to 12 months, all depends on applications queue before you.
 
90 days before the expiration of your two-year conditional green card, you need to apply for I-751 (Petition to Remove Conditions on Residence).
After completion of 3 years of successfully maintaining your green card status, you are eligible to apply for US citizenship. The application for citizenship (N-400) currently takes about 5 months. After that, applying for US passport takes about 4-6 weeks, expedited application takes half the time.

Not a lawyer here, for the most accurate information contact an immigration attorney.

Hope this helps.