We looked inside some of the tweets by @Burcol and here's what we found interesting.
Inside 100 Tweets
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""FUN TIME IS OVER!" Vegeta (Super Saiyan God) will be playable in DRAGON BALL XenoVerse2 when Ultra Pack 1 comes out in June! DBXV2 will also be getting new content in the online mode in the next free update. Start playing #DBXV2 today: http://bit.ly/2wsR7GK
Here it is! The first proper scans of Ultra Pack 1 for Dragon Ball Xenoverse 2. The fact they called it Ultra Pack "1" confirms at least Ultra Pack 2. They wouldn't label it as "1" if they weren't going to do more than 1. Wouldn't be surprised if we get 4 packs in total.