The Energon Pub

Optimus was pretty much unstoppable in RoTF, as was Sixshot in Headmasters (except, of course, by the rainbow) so who would win a 1-on-1 battle to the death between these 2? No outside interference, no Jetfire upgrade for Prime. Just blasters, blades and mad skillz by the Decepticon ninja.

Sixshot.

Prime already took all of Jetfire's parts and got a massive power boost. He would take Sixshot's face (as he did to The Fallen) and win the fight. Collateral damage would be Cairo with its pyramids and millions of historic artefacts. Oh dear!