Metal Sonic/IDW Publishing, Sonic Wiki Zone

Metal Sonic was created by Dr. Eggman, and is the doctor's finest creation. One night, Metal Sonic saved Dr. Eggman in his sleep by keeping a rebellious Heavy King from attacking Eggman. However, Metal Sonic and his fellow Eggman robots later fell under Heavy King's command when he used an override signal to take control of them. As such, Metal Sonic helped throw Eggman out of his base in Winter Caverns Zone. Afterward, he was assigned by Heavy King to help find the seven Chaos Emeralds which th

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People can't reconcile SONIC CD happening between 1 & 2 because

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Its SETTLED. IDW and Prime are CANON. : r/SonicTheHedgehog

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