User blog comment:DBD Abyss/Call of Duty Wiki News - June 14th, 2015/@comment-5591504-20150615072603/@comment-3361508-20150615190630

Nintendo releases full games, then adds DLC on later. It's not like they start throwing out DLC a month after the game comes out. The guy behind SSB (Sakurai) even said they didn't start working on Mewtwo, their first DLC, until after the game was completely done.