Mega Man X2

From Mega Man - NeoWiki

It has been 6 months after Megaman X defeated the mavericks and their leader Sigma. But at a price, X has also lost his friend and partner, Zero. But, X has been hard at work to destroy the last of the remaining Mavericks, the information that was gained by Dr. Cain has reason to believe that the remaining mavericks are located in an abandoned factory that has been re-activated by the mavericks. But, what X doesn't know that there is a bigger problem at hand. A team of surviving Mavericks known as the "X-Hunters" are beginning a project called the "Unification". They have somehow recovered Zero's remains. X has to stop the X-Hunters and the Unification and save Zero.