Board Thread:Speculation, Theories, and Rumors./@comment-25109438-20140218003454/@comment-24325327-20140220220448

YoshiWii1 wrote: Surge the hedgehog wrote: Well yeah, they had a few changes but I'm just sayin' they should be the voices. But that won't happen. The closest your gonna get to it is Eggman's voice? So yeah, there will only Sega Sonic characters in the game. No AoSTH, Satam/Archie, SU, Sonic OVA or Sonic X original characters will be in the game.

I think they would and should add characters from those series. You can't be positive they won't have it.