ALL-NEW DIRECT MARKET-EXCLUSIVE special! There are so many epic battles in the SONIC/MEGA MAN crossover event that the biggest brawls of the bunch have exploded into their very own book! Twelve issues just isn’t enough to contain all the frantic action of “Worlds Unite!” The action spills over into this second special stand-alone issue where an all-star cast of creators bring you an extraordinary all-action issue! Watch as Sonic battles the Deadly Six, Knuckles throws down with Break Man, and Sticks… goes after Roll?! LET’S GET READY TO RUMBLE!

There are so many epic battles in the SONIC/MEGA MAN crossover event that the biggest brawls of the bunch have exploded into their very own book! This extra-special bonus issue features exciting duels spilling over from the pages of the much-talked about “Worlds Unite” event, and feature an all-star cast of creators! Watch Mega Man bring the ruckus to the Deadly Six, the Maverick Hunters ultimate showdown with Vile and Dr. Light’s Robot Masters tussle with the unstoppable power of hero-turned-uber-villain Sonic Man! LET’S GET READY TO RUMBLE!

"Dr. Eggman and Dr. Wily are evil geniuses who want to conquer their worlds, but have been foiled every time by their blue nemeses! When the power of a Chaos Emerald allows the two to meet, it's game on! It's cross-world chaos as heroes are pit against each other! The Blue Blur and Blue Bomber battle from one world to the other with Eggman and Wily laughing behind the scenes. Who comes out on top? Can the heroes come to an understanding and save the world?"--Page 4 of cover.

The sequel to the record-shattering Sonic the Hedgehog and Mega Man crossover is here! You saw what happened when "Worlds Collide!" Now brace yourself for when WORLDS UNITE! Dark forces have come together in the far future! The vicious conqueror Sigma has cheated death again and escaped the justice of X and the Maverick Hunters. He's crossed space and time to join forces with Zavok and the malicious Deadly Six of Lost Hex! Sonic and Mega Man could save us--but they've gone missing! Now the Freedom Fighters of Sonic's world and the Robot Masters of Mega Man's world must take up the fight to save their heroes and stop the coming tide of darkness! WORLDS UNITE features guest appearances by the cast of SONIC BOOM, MEGA MAN X and some of CAPCOM and SEGA's biggest stars! This volume collects WORLDS UNITE parts 1-4, including SONIC UNIVERSE #76, SONIC BOOM #8, SONIC THE HEDGEHOG #273, MEGA MAN #50 (includes 10 extra pages of story!) and selections from the MEGA MAN: WORLDS UNITE BATTLES one-shot, and also includes bonus materials such as creator spotlights, production art, and 21 pages of cover images. From the Trade Paperback edition.

It's the crossover of a lifetime! The team-up you've been dreaming of! Two of video game history's most iconic heroes come together for the greatest action story ever told! SONIC THE HEDGEHOG and MEGA MAN unite in WHEN WORLDS COLLIDE! It all begins with a meeting of the minds--EVIL minds! Dr. Wily makes contact with Dr. Eggman, and the two malicious mechanics conspire in a plan that will reshape entire worlds! Using the power of the Chaos Emeralds, they build themselves an unstoppable army of Robot Masters and Roboticized Masters--Sonic's corrupted friends! It's pan-dimensional panic as Sonic and Mega Man race to uncover the doctors' diabolical plot, save Sonic's friends, and brave the nightmarish landscape of the Skull Egg Zone! Along the way they gain new allies, Mega Man gains all new powers, and the stakes keep getting higher until two universe hang in the balance! You CANNOT miss this critically acclaimed crossover! Celebrated by old and new fans alike, beloved by critics and casual readers, this is one big love letter to all things SONIC and MEGA MAN! WORLDS COLLIDE collects the entire crossover event, containing SONIC THE HEDGEHOG #247-251, SONIC UNIVERSE #51-54, MEGA MAN #23-27 and material from SONIC THE HEDGEHOG #252 and MEGA MAN #28.

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!

It slices! It dices! It joins line-wide crossover events: it's SONIC BOOM! "Sonic/Mega Man: Worlds Unite" Part Two: It was just another day at the races—y’know, the ones with the giant spider-mechs? Things start to get weird, even for the lovable, paranoid Sticks, when X and the Maverick Hunters arrived! Meanwhile, the epic bromance of the century is rekindled as the captured Drs. Eggman and Wily are forced to turn their life-long nemeses—Sonic and Mega Man—into minions for the terrifying Sigma! 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!

The next exciting chapter in the SONIC/MEGA MAN "WORLDS UNITE" crossover event starts here! "Worlds Unite" Part Five: The worlds of Sonic and Mega Man have been joined together by Sigma, and it’s going to take a full-on army of unified heroes to make it right! Actually—scratch that—it’s going to take some heroes AND some villains! When the mysterious and malicious Xander Payne inexplicably arrives with Drs. Eggman and Wily in tow, our heroes get new insight into Sigma’s plans! Featuring cover art from the legendary Patrick "SPAZ" Spaziante!

SONIC is BACK in "Genesis of a Hero" Part One: It’s Sonic’s 25th Anniversary and we’re celebrating in style—retro-style that is! See Sonic in his first climactic show-down with Dr. Eggman, straight from the gameplay of the first Sonic the Hedgehog game! But what happens after the battle? And what new force arises once the dust has settled? It’s the story you know with a new twist! Featuring cover art by the legendary Patrick Spaziante and a "Best Buds" variant by the lovely Genevieve FT!

The sequel to the record-shattering Sonic the Hedgehog and Mega Man crossover is here! You saw what happened when "Worlds Collide!" Now brace yourself for when WORLDS UNITE! Sigma--the brilliant villain from the future--has fused the worlds of Sonic the Hedgehog and Mega Man together! Now he feeds on the super-planet's energy to become unstoppable! It's up to Sonic and Mega Man to raise an army to fight the time-hopping villain. Joining them are the Freedom Fighters, the Robot Masters, X and his Maverick Hunters, Sticks and her friends, and--Dr. Eggman and Dr. Wily?! But it won't be easy, as Sigma uses his powers to reach across space and time to recruit an army of his own! It's a battle of epic proportions to save the Unified World! Featuring the introduction of the STREET FIGHTER cast, including Ryu, Chun-Li, Guile and Ken! This volume collects WORLDS UNITE parts 5-8, including SONIC UNIVERSE #77, SONIC BOOM #9, SONIC THE HEDGEHOG #274, MEGA MAN #51 and selections from the MEGA MAN: WORLDS UNITE BATTLES and SONIC THE HEDGEHOG: WORLDS UNITE BATTLES one-shots and includes bonus materials such as creator spotlights, production art, and 16 pages of cover images. From the Trade Paperback edition.