You can create the new listings in your seller central account through ScanPower.
Go to Prep & Ship.
Create a new batch by clicking on "+" icon as show in the below screenshot and change the batch name as required.
Add items to the batch by putting the new MSKU for the ASIN.
Once you have all the items in the batch, these items will show the "No listing" ribbon on each item.
You can then click on the create listing button in Step 1 of the batch as highlighted below.
The "Product feed" and the "Inventory feed" status should get updated to Success, once the listings are created.
