Transformers The Movie

What if Brawn had survived the Shuttle attack. What if Hot Rod had been attacked by Megatron before he could interfene in his and Optimus' fight. What if there was no Unicorn. And what if a weapon Megatron had commisisioned for Shockwave to build on Cybertron had been completed and fully opertional for an Attack on Earth. Will the Decepticons finally wipe out the Autobots and begin a new golden age for Cybertron or will the Autobots and Humanity live to fight another day.