Optimus is now the leader of the autobots he have everything he wanted it's his dream and he finally achieved it he will lead the autobots to the brighter future...but he feel alone...his old crew...they left him.....all died one by one until his all that is left....how can he be happy if the ones he care about are gone? it effect him changing him into someone else...he knew no bots can replace them.....but then he met them he doesn't believe it