Super Dragon Ball Heroes

After the Tournament of Power, Goku and Vegeta train together on the planet of Beerus.
Trunks comes back from the future, once again, to train with them. But he mysteriously disappears.
Goku, Vegeta and Future Mai are visited by a mysterious figure named Fu who warns them that Future Trunks is being held on a world called the Prison Planet, under the control of Freezer's brother Cooler.

There, they fight against the Saiyan Cumber. After defeating Cumber and freeing Future Trunks.

Hearts wants to conquer the universe 11 to drain its energy. He deploys his army to the four corners of the universe. Vegeta, Trunks and the fighters of universe 6 confront the android siblings Oren and Kamin. Cooler, transformed into Meta Cooler, fights against Cumber in Universe 3. Goku arrives on Universe 11 having mastered the Ultra Instinct.

To defeat Hearts, Goku convinces Vegeta to merge with him into Gogeta.