In 'Agenda III', Megs attempts to kill a sleeping Optimus Prime, resulting in a time storm, tearing a hole in time and space.
Megs created one hell of a paradox...
A -- Ark launched and crashes on Earth.
B -- Axalon, knocked out of transwarp, crosses over time and space, crashes BEFORE the the events of the 1st series.
C -- Megatron destroys dormant Optimus Prime, altering Autobot / Maximal and Decepticon / Predicon lineage.
D -- Axalon never launched.
E -- Optimus Prime never destroyed.
F -- Original lineage restored.
Which leads back to B...
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P. Tatara
5.7.1999