Capcom explains Street Fighter X Tekken on-disc DLC - GameSpot

Publisher says 12 "downloadable" characters will debut on PS Vita, were included on 360, PS3 retail copies to save hard drive space, negate compatibility issues.
Fighting universes collide in this Tekken/Street Fighter crossover.

Street Fighter X Tekken

Tekken X Street Fighter - GameSpot

Street Fighter × Tekken, Capcom Database

Street Fighter X Tekken Will Have Online Features From Super Street Fighter IV - Siliconera

Do not buy Street Fighter x Tekken - All of the DLC is already on the disc. : r/gaming

FightVG: Trolling 101: Zero as Mega Man in Ultimate Marvel vs. Capcom 3

ultra street fighter 4 Retronaissance: The Blog!

Street Fighter X Tekken Character DLC Pack Review - Gaming Nexus

Street Fighter X Tekken

Tekken x Street Fighter is Officially Cancelled, In Case You Didn't Know Already - mxdwn Games

Street Fighter x Tekken DLC review

Street Fighter × Tekken, Street Fighter Wiki