Complex sentence: Later, Scourge appeared again when readers were offered a glimpse into an alternate future world of 2009, where he was indeed a creation of Unicron, and where Cybertron had been destroyed, and Galvatron ruled Earth.
Split into simpler sentences: Later, Scourge appeared again win an alternate future world of 2009. Here he was a creation of Unicron, and where Cybertron had been destroyed, and Galvatron ruled Earth.