1st Appearance of Unicron, Hot Rod, Kranix, Galvatron (formerly Megatron), Cyclonus, Arcee, Springer and Ultra Magnus (in American comics). Death of Optimus Prime
Information: 1st Appearance of Unicron, Hot Rod, Kranix, Galvatron (formerly Megatron), Cyclonus, Arcee, Springer and Ultra Magnus (in American comics). Death of Optimus Prime