'When Worlds Collide,' Part 5 of 12. The second act of the epic Sonic the Hedgehog and Mega Man crossover event begins here! Twelve: Sonic, Mega Man, Tails, and Proto Man enter the strange world of the Skull Egg Zone. They don't receive a warm welcome, either, as the Genesis Unit and Copy Robot attack! Drs. Eggman and Wily wait in the wings with an even more sinister surprise waiting to be unleashed! You cannot miss this action-packed issue, featuring new cover art by Patrick 'SPAZ' Spaziante, and choose your favorite hero with the 'Team Sonic' and 'Team Mega Man' variant covers! Continues in this month's Sonic the Hedgehog #249.