If you are going to be using the TurboTax online editions to file your tax return as Married Filing Jointly you should create a new online account for the tax return. The new account will need a different User ID and password separate from your other online accounts. You can use the same e-mail address for the new account that was used with the other online account if you want to do so.
You will still have access to the other online account but you should download a PDF and the tax data file from the other account for safe keeping.
You would only need to have two separate online accounts if for some reason you will be filing as Married Filing Separately.
