It was only a matter of time.

Quote Originally Posted by TFW2005
Transformers: War For Cybertron DLC (Downloadable content) will soon be available for the Playstation 3 and Xbox360 users. Activision and High Moon have officially announced the New Map and Character pack, set for release July 27th for PSN and July 28th for Xbox Live for $10.00 and 800 MS Points respectively.

The New Map and Character Pack DLC includes new characters Scattershot and Onslaught, as well as Shockwave, Jazz, and Demolishor, who were originally exclusive to pre-order customers at particular retail locations. The DLC also contains two new multiplayer maps, and also doubles the number of maps for the Horde-like Escalation mode to four.
Check of TFW2005 for the trailer.