It is too soon. Employers have until January 31 to issue W-2's.
https://ttlc.intuit.com/questions/1934390-how-do-i-import-my-W-2
https://ttlc.intuit.com/questions/2588751-why-can-t-i-import-my-w-2
Wait--all of your W-2's must be entered on the same tax return. Do not try to file with a pay stub.