The end of the Transformers War had big ramifications for Autobots and Decepticons alike. For the Decepticons losing, it meant going into hiding and dodging capture from G.H.O.S.T and the Autobots.

If nothing else, Demolishor can be one of many new Decepticons in the Transformers One sequel, even if he's just a background character. This way, the series isn't just recycling Generation 1 ...