Do yourself a massive favor and grab complete immigration history via FOIA before you file. You can snag your wife's records here: https://www.uscis.gov/records/request-records-through-the-freedom-of-information-act-or-privacy-act and then click on Step #4.

And if you're even a little bit unsure about anything, talk to an immigration lawyer. It's worth the peace of mind.
Best of luck with everything, OP! 👍