Don't rush it! You can make more AGLs, but don't waste your first one. He's going to be really useful if they ever do another Prime Battle Event.
Remember, that AGI one can be used on the Frieza event and stuff like that.
No I mean this guy
http://dbz-dokkanbattle.wikia.com/wiki/Everything_At_Stake_Super_Saiyan_2_Vegeta