Previously, Starscream and co. had been sent on a mission Sector Zero-Six to distract them from possibly interfering with Megatron's plans. Grimlock was last seen going into Kaon after the Decepticons had obliterated the Forum of Enlightenment. The War Within issue 2 Starscream and his pals drop in on Grimlock, brooding in an abandoned coliseum where apparently, Grimlock regularly defeated Starscream. Starscream questions how Grimlock rejected Megatron's uprising—suspecting that some part of Grimlock still wants to be a Decepticon.