The car will be marital property and will be awarded to one of you in the divorce.
No way! She gets to keep it.
When a husband wants to keep his family and still have his mistress, then yes, the wife has every right to file for divorce.
You establish evidence of her intent and ask the court to require she provided a cash bond. see link
You could, but it might not work.
IF she feels she made a mistake.
I think you can't file a divorce, I mean there's no valid reason why you will divorce a good wife.
You can STILL get divorced.
Have him get a divorce. Don't marry a who is already married. It is going to be trouble for you.
Then the husband should move out.
No. In Western countries a spouse cannot force their spouse to stay married. The divorce can proceed even if one party wants to stay married.
Every situation is different - my mother left the house.
He can get a divorce with or without her cooperation if he wants one. Check your state's laws, Most states now have "no fault" divorce policies which means it doesn't matter what his wife did or didn't do, he can still divorce her. She may be entitled to a portion of his pension depending on the length of the marriage and state laws.