Kirby Fighters Deluxe is immediately available on the Nintendo 3DS eShop.
Kirby Fighters Deluxe and Dedede’s Drum Dash Deluxe were both released as eShop downloads, with each one having extra features in the standalone release.
Kirby Fighters began its life as one of the Kirby Triple Deluxe extra modes.
Kirby Fighters Deluxe seems like it will be getting a sequel.