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.

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Capcom defends, explains Street Fighter x Tekken on disc DLC

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Street Fighter X Tekken On-Disc DLC Debacle

ultra street fighter 4 Retronaissance: The Blog!

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Save 80% on Street Fighter X Tekken: Additional 12 Characters Pack on Steam

Street Fighter × Tekken, Street Fighter Wiki

Capcom Gets Busted; On-Disc DLC Discovered For Street Fighter X Tekken