Dragon Ball movies don't always get the appreciation they deserve, especially not those from outside the DBZ era.
Unfortunately, retconning it so Vegeta had Super Saiyan 3 all along creates a major plot hole for Battle of Gods and by extension the rest of Super. In Dragon Ball Z: Battle of Gods, SSJ2 Vegeta ...
There are no showtimes for Dragon Ball Z: Battle of Gods. You can stream it or buy it on digital platforms below.
Many Dragon Ball movies are non-canon due to inconsistencies with the main timeline and lack of involvement from Akira Toriyama. Canon movies like Battle of Gods and Resurrection 'F' are ...
This would perfectly explain why Beerus and Supreme Kai, as well as all Supreme Kais and Gods of Destruction ... but this is one that it appears Dragon Ball DAIMA has answered.