If you loved Dragon Ball Z: Cooler's Revenge, try Dragon Ball Z: Wrath of the Dragon
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
You already loved

Dragon Ball Z: Cooler's Revenge
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Dragon Ball Z: Wrath of the Dragon
What they share
Both films are directed by Mitsuo Hashimoto, and they sit in Action / Animation / Science Fiction territory. If that's the register that drew you to Dragon Ball Z: Cooler's Revenge, the second film will land in a comparable space — through a different lens.
What Dragon Ball Z: Wrath of the Dragon is
You fight alongside the Z Warriors when a mysterious music box appears, but Tapion's presence changes everything, the director sets a frenetic pace.