I know the game only came out today (16th of April) but does anyone know if this version you have to download New Super Luigi U or is it on a disc?

I know the game only came out today (16th of April) but does anyone know if this version you have to download New Super Luigi U or is it on a disc?
what i don't like about the whole "new" super mario bros games , is that it feels like you are buying the same game over and over but with dlc added on it (more levels , bosses , characters , etc etc) feels likes capcom's take on SF4I know the game only came out today (16th of April) but does anyone know if this version you have to download New Super Luigi U or is it on a disc?