This years Buzzworthy Bumblebee 4 pack has been leaked, and it contains the following:
Voyager Seeker (appears to be a straight re-release of Thundercracker)
Deluxe Autotrooper (new head retool of Siege Ironhide with an alternative head included)
Deluxe Bailiff (a redeco/retool of War for Cybertron Trilogy Quintesson Bailiff, also with an alternative head included)
Deluxe G2 Jhiaxus Trooper (new head retool of Legacy Skullgrin with an alternative head included)