If you loved Ressha Sentai ToQger vs. Kamen Rider Gaim: Spring Break Combined Special, try Kaizoku Sentai Gokaiger vs. Space Sheriff Gavan: The Movie
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.

Ressha Sentai ToQger vs. Kamen Rider Gaim: Spring Break Combined Special

Kaizoku Sentai Gokaiger vs. Space Sheriff Gavan: The Movie
What they share
Both films are directed by Shojiro Nakazawa, and they both carry the playful mood tag, and they sit in Action / Adventure / Science Fiction territory. If that's the register that drew you to Ressha Sentai ToQger vs. Kamen Rider Gaim: Spring Break Combined Special, the second film will land in a comparable space — through a different lens.
What Kaizoku Sentai Gokaiger vs. Space Sheriff Gavan: The Movie is
You're a space pirate, hunting alien treasure across the cosmos. But the Galactic Union's top cop busts you. He gets busted, too. Now Gavan's in the Phantom Zone and you have to spring him. Nakazawa’s lens flares suggest a shared history of tokusatsu adventure. The film coasts on team-up energy.