If they were to do five in a combiner, they could leave out Thrust because of Curse Thrust. Or Dirge because two blue guys. Or Ramjet because too much red and white like color.
Then the question is, who gets left out of a Seeker combiner - or funnier still, who gets shrunk down to Legion-size?
Or Skywarp if the world hates me.
Nah, Skywarp will be in there, but yours will come with two Thundercrackers instead...