"Worlds Unite!, Part One: Across Time & Space"
By Ian Flynn and Dan Schoening.
Continues in Sonic Boom #8.
"Off Panel: Evil Pot Pie or... Dummos Unit Act Prbbt"
By Bill Freiberger and Jonathan H. Gray.
*The Sonic/Mega Man crossover event begins here! It's the epic first chapter of the biggest story in Sonic/Mega Man comic book history with 'Worlds Unite,' Part One! Get ready for cross-world treachery as the wicked Sigma escapes the world of Mega Man X and arrives in Dr. Eggman's secret Lost Hex base! When Sigma promises new power to the Deadly Six, how long do you think they'll stay loyal to Dr. Eggman? And just where exactly are our heroes during all this? Looks like Sonic and Mega Man are right in the middle of an ambush! The sense-shattering sequel to 'Worlds Collide' starts right now! *Source: archiecomics.com