“Many are asking if the 20 new levels in the special ‘Grannie Edition’ of Mudds coming to PC will make their way to the eShop. It’s possible.”
Sure, that is not 100% confirmation of DLC, but it is a good sign of things that could come down the line. Whether these levels would require additional payment or not is yet to be seen as well. For now, we are hoping things work out.
Would you like to see the DLC come to the 3DS eShop? If so, would you be willing to pay for it?