Zero and Co are in Bakugan City once again, Zero's friends are watching him battle a great opponent and defeats it. Zero is excited on his victory, when a mysterious man comes in, surprising everyone. Zero then gasps and looks as if he were a fan boy, the mysterious man then is seen to be none other then DAN KUSO! Shinobi then remembers the great heroes in the "Mechtogan Crisis" (Wiseman's Attack) that defeated the ultimate Mechtogan Destroyer - Mechtavius Destroyer. Zero then runs to Dan and tells him that he is aiming to be the best like him, but where did he leave? Dan tells Zero that he left to find new opponents to face intense battles with, and to let other people stand up to his rank. Zero then remembers his ultimate quest to reach the top that Dan has made up to. Dan asks Zero if h