In a parallel universe, Tommy Oliver did not join the Power Rangers. Instead, he rejoined Rita Repulsa and helped her take over the world…before killing her and seizing control of her empire, renaming himself Lord Drakkon. It wasn’t long before he discovered the existence of parallel worlds and found a Tommy Oliver that did join the Power Rangers.
It was that good Tommy that helped seal his downfall, but that was not the end. That was actually prelude to a conflict that would shake the very foundations of reality itself. Drakkon later ambushed good Tommy and killed him in revenge for his defeat before unleashing his forces against every Ranger team across time and space in a brutal campaign to steal their powers and make himself a god.