If they have the personalities of the characters then the room is a war zone.
The Decepticons, lacking a Megatron to lead them end up following Darth Vader who has also recruited Ultraman Belial, Goldar as his generals.
The Autobots meanwhile inlist the help of Reinhardt and Beta Ray Bill.
Kratos has found himself battling the kaiju sub faction and has made allies with the gorgonites.
The nendos are just having a happy tea party of their shelf and watching the world burn around then.