Yes, you need to include her W-2 in your jointly filed return. You are correct in that you won't be able to efile with a 0 in box 1. If this is her only W-2, try entering .01 in the Box 1 and see if that will allow you to efile.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"