Sonic's director has taken requests to add Silver to the movies into consideration, and concept art hints he was almost in Sonic 3.

New Sonic 3 concept art has emerged and has swiftly been taken down, but not before fans received a peek at a cut Metal Sonic and Eggman moment that may reveal where the franchise is heading next in Sonic 4.

New Sonic the Hedgehog 3 concept art showcases scenes which didn't make the final cut and drops some big hints about what's heading our way in the next movie after that big post-credits scene

Though the depicted scene didn’t appear in the final movie, it may give us clues about a new character's origins