The year 1988 saw the last of the Decepticon cassettes meant to fit into Soundwave, a remarkable run of four years. This year saw the release of a two-pack featuring Beastbox, Decepticon interrogator, a purple cassette that turns into a gorilla.
The combined form of the Universe Micromaster Aerialbots is Superion, an amalgamation of six robots plus their pack-in accessories that serve as connectors, head, and extremities of the gestalt warrior. While in Japan, the original source of the design ( Sixwing , 1992) was available in a collected set, this combiner needed to be purchased one bot at a time in the 2007 Universe release.