Both characters are using, their original incarnations seen in the cartoon versions
Megatron in his original body
Versus darkseid in his original body
Setting is the unicron planet
Round 2
Both are using their revived bodies
Megatron using his galvatron form
and darkseid, his JLU incarnation
Setting, Arkham, Arkhamverse version. It's filled with all the criminals from those games.
motivation both are fighting over who can rule earth
Megatron in his original body
Versus darkseid in his original body
Setting is the unicron planet
Round 2
Both are using their revived bodies
Megatron using his galvatron form
and darkseid, his JLU incarnation
Setting, Arkham, Arkhamverse version. It's filled with all the criminals from those games.
motivation both are fighting over who can rule earth