Short answer: very (repeat indefinitely) unlikely.
Well, as long as people buy it, even though dlc can be overpriced for such small and sometimes useless dlc (like costumes).
I actually think the bundled MK8 dlc is a pretty good deal.
Check out my site: http://www.agamingwebsite.blogspot.com/
Currently playing: Bayonetta, Destiny (barely), Fantasy Life
Probably Getting: Bravely Second, Devil's Third, Final Fantasy 15, Final Fantasy Explorers, Super Smash Bros U, Star Fox U, The Witcher 3, Xenoblade Chronicles X, Zelda U