The next wave of Transformers Combiner Wars has just been announced for an April/May release.
Highlight of this wave is the full set of Protectobots being released at the same time. Hot Spot, Blades, First Aid, Streetwise, Rook and Groove, form the Autobot combiner Defensor.
Also being release is Voyager Cyclonus and Legend Warpath and Decepticon Viper.
Voyager Class - $40
Deluxe Class - $24
Legend Class - $16