You can file Married Filing Separately See this FAQ https://ttlc.intuit.com/community/married/help/is-it-better-for-a-married-couple-to-file-jointly-or-...
Info on the ITIN is here
https://turbotax.intuit.com/tax-tips/irs-tax-return/who-needs-an-itin-or-individual-tax-identificati...
