UPDATE: We also have the above piece of new artwork from CBBC Newsround. (Thanks to SSMB member Neon for the heads up!)
As well as story intro spoilers for Sonic Generations, SEGA Japan has today also released some other new assets, including new artwork for Rival character Silver the Hedgehog and new enemy Time Eater, new Xbox 360/PS3 & PC screenshots for Sky Sanctuary Zone and new 3DS screenshots for Emerald Coast.
You can view them all in our gallery.
Thanks to SSMB members The Dead Skin and Torcano Sanctuary for the heads up!