Transformers: Robots in Disguise #21
- Publisher: IDW
- Written By: John Barber, Livio Ramondelli
- Art By: Andrew Griffith
- Language: English
- Digital Release Date: October 9th, 2013
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!