If you've already filed your tax return with the IRS and then received another w2, you'll need to submit an amended return. You will want to wait until the IRS is done processing your return, then follow the steps listed in the link below on how to submit an amended form with TurboTax:
https://turbotax.intuit.com/tax-tips/amend-return/how-to-correct-federal-tax-returns/L67t0F7il
