The BIGGEST crossover event of 2013 ends here with the stunning conclusion to SONIC/MEGA MAN: WORLDS COLLIDE (part twelve of twelve)! After an intense battle, Sonic and Mega Man are at the mercy of Drs. Eggman and Wily and, to make matters worse, the evil doctors have set the final stage of their plan into motion: to use the power of the Chaos Emeralds to become UNSTOPPABLE DEMI-GODS of destruction! But look out bad dudes, our true blue heroes have a plan too—and it's "SUPER"! The history-making crossover event crashes to a close in the final chapter you can't miss! Featuring new cover art from Sonic and Mega Man art legend Patrick "SPAZ" Spaziante!

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.

“All or Nothing,” Part One. This is it. The few remaining fighters from the Restoration and their allies are ready to launch a final assault to reclaim the Chaos Emeralds and finally eliminate the Metal Virus. Can they defeat the Chaos Emeralds’ new protectors, or will they all fall—and why isn’t Sonic part of the fight?

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.

SONIC is SPEEDING down the Dragon Road in “Wings of Fire” Part One: Sonic and the Freedom Fighters travel to city-state of Chun-nan in search of more Gaia Keys! Dulcy the dragon is bringing all her might to help, but is her fledging team ready for end-of-the-world stakes? Could anyone really be? Then in “Homesick,” Bunnie and Tails come to the aid of a Key Guardian in a time of crisis!

Moving at the speed of sound, keeping the world free from robotic tyranny—it's SONIC THE HEDGEHOG! One of the oldest, most beloved videogame icons speeds into brand new comic book stories with new friends, new foes and new adventures! The entire planet has been rocked by Dr. Eggman's Super Genesis Wave! Sonic wakes up to world and a life he doesn't recognize! It's up to him to gather up his friends, the Freedom Fighters, and figure out what's been changed. Meanwhile, below his very feet, a new threat is threatening to burst out! SONIC THE HEDGEHOG 1: COUNTDOWN TO CHAOS collects SONIC THE HEDGEHOG #252-256. From the Trade Paperback edition.

Sonic's Freedom Fighters are finally ready to restore the planet! Unless, of course, someone does even more damage! Cue: the evil Dr. Eggman (of course)! He has a plan of his own and strikes first! The mad doctor launches a multi-pronged assault that will leave you speechless-everything has been building up to this moment! The final chapter to the Shattered World Saga begins here!