I'm not even much interested in the franchise now.
You will never see them again in main games. Now, SEGA will never use playable characters again thank's to the classic sonic fans, reviewers and Sonic Friends Haters saying that they are the reason why Sonic 06 was bad. SEGA just listen to them now. This is the primarily reason why I'm not too interested in Sonic anymore.
Read this and you will understand the situation of SEGA now ->
Sonic the Hedgehog: Perceived Uselessness