According to the website, the Dragon Ball Fusion Generator will get an update soon to add more characters. Super Saiyan 4 Goku and Vegeta will be added along with characters like Gine.

Goku and Shin’s fusion, being far stronger than most other characters in the series, can destroy the hammer with a single finger. The animation for this epic scene is fluid and professional, ...

Goku and Gohan's fusion would have astronomical power, potentially surpassing Vegito's strength in the series. Fusion of Goku ...

Vegito could potentially use Vegeta's Divine Technique of Ultra Ego due to his influence from Vegeta. Gogeta might be able to utilize Goku's Divine Technique of Ultra Instinct with more precision ...

Dragon Ball is setting up for the debut of a new type of Fusion not seen in the series before, so it’s only a matter of time before Goku and Vegeta unite in a whole new kind of way.Dragon Ball ...

Its diverse offerings keep coming, as a 3DS RPG called Dragon Ball: Project Fusion is confirmed for release in Japan in 2016. It's a huge franchise, and the core detail of a 'fusion between Goku ...

The latest issue of Weekly Jump revealed the newest Fusion character with “Gorus,” the Ultimate God born from a Fusion between the ultimate Saiyan Goku and the God of Destruction Beerus.