Vegito is going to happen because, as I've said in multiple topics, it's running off fanservice and nostalgia.
This is a case of both fanservice and nostalgia.
People remember Vegito dominating the hell out of BuuHan. So they're going to bring him back for that nostalgia factor. The entire reason they separated Kibito and Supreme Kai was probably just for this. To set up Vegito, so there's an easy way to get out of the Potara fusion.
Meaning Gogeta is probably never going to occur in a canonical series, which is a shame.
The fanservice factor is, again, Vegito, but also making him a SSGSS/SSB.
I too would have liked to see Gogeta but guess that's never gonna happen (only in DB Heroes or Games)