Sonic the hedgehog. Volume 3, Battle for Angel Island / story, Ian Flynn ; art, Tracy Yardley (#9-12), Evan Stanley (#10-12) ; colors, Matt Herms ; letters, Shawn Lee.
"Originally published as Sonic the Hedgehog issues #9-12"--Title page verso.
Summary
"When Neo Metal Sonic--an evil robot with Sonic's speed, Dr. Eggman's intellect, and an unbreakable mechanical body--conquers the island to grow his power even more, Sonic and his friends must team-up and take the fight to him. But even with the full power of the Resistance behind him, will Sonic be able to take down Neo Metal Sonic once and for all?"--Provided by publisher.