Sonic Universe #33 (2011)

Babylon Rising, Part One: Remembrance
The Babylon Rogues have been searching for their long-lost ancestral city of Babylon Garden. Now, deep in the forgotten ruins of the Gigan Mountains, they find their first solid lead! But will they survive to put their new-found knowledge to use? And what does the Battle Bird Armada have to say about all this? Don't miss the beginning of this thrilling saga written by legendary Sonic penciller Tracy Yardley!
Release Date: 2011