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- For the weapon made by Dimitri and Dr. Eggman, see Chaos Cannon.
Chaos Cannon is a Master Weapon used exclusively by Shadow Man in the Sonic the Hedgehog and Mega Man comic crossover event, Worlds Collide. Essentially an weaponized version of Chaos Control, Shadow Man can freeze his opponents with a dark blue barrier. This can freeze the opponent until Shadow Man is distracted from the foe, in which the foe can escape the barrier. When using this move, Mega Man turns into a red and black attire, which matches Shadow's color scheme.
History
While Sonic the Hedgehog, Mega Man, Miles "Tails" Prower, and Rush explored Skull Egg Zone to find the remaining Roboticized Masters, the heroes encountered the Roboticized Master Shadow Man and the Robot Master Shadow Man. During the fight, the Roboticized Master Shadow Man attacked Sonic with the Chaos Cannon and Mega Man then decides to attack the Roboticized Master. He uses the Chroma Camo Master Weapon to dodge the Chaos Cannon attacks, and then used his Tails Wind Master Weapon to stun the Roboticized Master Shadow Man for Sonic to escape the Chaos Cannon's barrier. When Mega Man returned Shadow Man back to Shadow the Hedgehog with the Sonic Shot, Mega Man absorbs the Chaos Cannon Master Weapon to surround the other Shadow Man. (WC #7)