IDW Sonic the Hedgehog Issue 15

IDW Sonic the Hedgehog Issue 15 is the fifteenth issue in the Sonic the Hedgehog comic series published by IDW Publishing.

Official solicitation

 * “Patient Zero.” Having finally come face-to-face with Dr. Starline, Sonic needs to learn more about this new threat. He and Amy investigate an old Eggman lair but find it less abandoned than they thought when Rough & Tumble return for revenge!

Appearances
Characters:
 * Amy Rose
 * Dr. Starline
 * Rough
 * Sonic the Hedgehog
 * Tumble