I, for one, would like to see a GOOD time travel storyline in a sonic game, without pointless drama and implied human/animal secks.
Storylines in Sonic... hmmm... anyone remembers that shitty comic by PsyGuy? Where Sonic suddenly becomes an evil dick, Tails is the main chara, Sonic dies, Tails gets pussy from Amy, Tails has some sort of PsyGuy demon form, Knuckles has one too and he married Rouge and other retarded crap like that.
If you do, then remember. Not even Sega can make up worse horseshit than this.
So even if we have a [tornado fang]ing demon as a final boss instead of Eggman, IT DOESN'T MATTER! Because we get a nice colorful game until that point with quite simple plot.
UNLESS... nah.