After the introduction of Metal Sonic in Sonic the Hedgehog 3, Sonic the Hedgehog 4 might have a major problem on its hands.

LEGO unveils the Team Sonic Command Truck set with 747 pieces and exciting gameplay features. Set includes Sonic, Tails, ...

But the action doesn't stop there the Sonic 3 mid-credits scene introduces new characters Amy Rose and an army of Metal Sonics. And fans seem to think this means those in-game characters will be ...