Get your taxes done using TurboTax

When you import anything it is up to you to make sure who the form belongs to and make the correction if needed.  ALL of the return needs to be reviewed carefully before filing it when using a DIY program you are the one responsible for all entries on the return.  Never count solely on the program to get it 100% correct ... some things requires user verification.   

In the W-2 import section ... after you enter the EIN ... you are shown the employer  and given the option to review and change the employee section ... this is where you would make the change in spouse if needed :