The ALL-NEW Sonic/Mega Man Crossover sequel explodes onto the shelves with "Worlds Unite" Part Three: It's a cascade of cross-dimensional chaos! On Sonic's World, the Freedom Fighters are battling with the terrifying arsenal of M'egga Man! On Mega Man's World, the Robot Masters can't keep up with the super speedy Sonic Man! Who can possibly save our heroes? The answer is sure to surprise you! After the history-making "WORLDS COLLIDE" crossover event, Sonic the Hedgehog and Mega Man unite once more--and this time Sonic Boom and Mega Man X are joining the fray! Featuring cover art from the legendary Patrick "SPAZ" Spaziante!