Scenario 1: Horde Prime sent his army to your universe as he started conquering it when he meets you
Scenario 2: You went Horde Prime to try and stop his rule but he seemed to be expecting your arrival
Scenario 3: Make it up
Horde Prime
Scenario 1: Horde Prime sent his army to your universe as he started conquering it when he meets you
Scenario 2: You went Horde Prime to try and stop his rule but he seemed to be expecting your arrival
Scenario 3: Make it up