Transformers: Robots in Disguise #21
an issue of Transformers: Robots in Disguise by IDW Publishing
Covers of Transformers: Robots in Disguise #21
Issue description
Writer:
John Barber
SHOCKPOINT! In the wastelands of CYBERTRON, SHOCKWAVE makes his move-and SOUNDWAVE and the DECEPTICONS step up to stop him! While the battle of the century rocks the ancient ruins of the Crystal City, dig back into the history of these titanic rivals!