"When Worlds Collide, Part One: Kindred Spirits"
Continues in Sonic Universe #51.
*The crossover event of 2013 starts here! The Mega Man/Sonic the Hedgehog epic kicks off with a bang as the Blue Blur and Blue Bomber meet for the first time! And considering how hard they're fighting each other, it might be the last! Why are the heroes trying to take each other down? Drs. Eggman and Wily know, and they're loving every minute of it! You cannot miss this historic first meeting of two of the biggest video game icons in the entire world! *Source: archiecomics.com