It is too soon to amend your return now. Once your return is fully processed, you can amend as soon as the federal amended tax return form 1040-X is available for filing in TurboTax. The IRS might automatically correct for the missing W-2, and then you would not need to amend.
Use this tool to check availability of forms, including 1040X: Tax form availability. Currently, it is projected to be available 2/25/26.
Here is some more information on filing amendments: How to File an Amended Tax Return with the IRS
