Not sure how they pick the figures for these sets, but here is the announcement for UDM Burst 43, featuring characters from the Broly movie as well as others not related. They will release on the fifth week of August, at a cost of 200 yen each and will contain the following six figures. We will update when a US based store carries them.
SSJ4 Gogeta:
Super Saiyan Blue Gogeta:
Super Saiyan Broly:
Regular Broly:
Cold Goku:
Android 15: