It can take a few more years for final processing.

Unclear about prior marriage. Consult with an attorney for guidance.

Submit the DS260 with NVC once visa becomes available.

Either option is viable but important to have a consultation with an experienced attorney for guidance.

It shouldn’t be an issue but let officer know at time of biometrics.

You can refer to the USCIS webpage re: expedited processing.

Yes it is possible but history will be questioned.

You can continue to reach out to USCIS to inquire.

It should be okay with approved AP but best to consult with an attorney prior to travel.

More information is needed about your case. Consult with an attorney for guidance.