Dragon Ball Z movies are largely designed as "What if…" scenarios. What if… Goku and Vegeta somehow had enough time while both of them were dead in the middle of the Buu Saga to team up to deal with a ...
Both Buu and Janemba may have been destroyed thanks to the combined forces of Goku and Vegeta, as the red demon was blown away by Gogeta in the movie and Buu was turned to dust thanks to a Spirit Bomb ...
There are lots of potential classic Dragon Ball movie villains that would do well with a major makeover and new origin, but not all of them would fit into Goku and Vegeta’s now godly levels of power.