If you signed up to receive your W-2 form electronically, your 2014 W-2 will be available on January 28, 2015 through My IIT.
To access your W-2, go to the work tab and within employment details, click on tax forms and select W-2 Wage and Tax Statement. Select tax year 2014 and click display. Below the display, click on printable W-2 and you will be prompted to enter your portal ID and portal password.
Your W-2 form will then be displayed and by clicking on file and selecting the print option, you can print copies of the form to attach to your returns.