Sonic the Hedgehog — Archie Comics
Issue: #39
Rage Against The Machine, script by Michael Gallagher, pencils by Pat Spaziante, inks by Brian Thomas; Sonic is ambushed and delivered to Dr. Robotnik, where he's roboticized into Mecha-Sonic. This story continues in Sonic & Knuckles: Mecha Madness #1.
Characters: Nicole, Knuckles, Antoine D'Coolette, Dr. Robotnik, Princess Sally, Bunnie Rabbot, Fang the Sniper, Tails, Sonic, Rotor
Story arcs: Mecha Madness