Sonic the Hedgehog 3 introduces Metal Sonic into Paramount's universe, but the villain has one key characteristic that the ...
Sonic the Hedgehog 4 is introducing Metal Sonic as its next big villain, but Knuckles' TV show proved it also has the perfect ...
Now a fourth movie is in the works, and it's bound to introduce a whole new host of characters — namely Amy Rose and Metal Sonic ... prequel to Sonic X Shadow Generations, which chronicled ...