Mega Man II

Story
After being defeated again, Doctor Wily learns of a top-secret goverment project that is called the Time Skimmer, a real life time Machine. He proceeds to steal it, and uses it to stop Mega man from being created. Mega Man is one step ahead, though, and confronts Doctor Wily at his lab. Doctor Wily uses it on Megaman to make him travel to the past to defeat old foes, while a supposed Megaman from an alternate universe called Quint helps Doctor Wily get rid of Mega Man.

Robot Masters
First Four
 * Crash Man
 * Metal Man
 * Wood Man
 * Air Man

Second Four (in teleporters)
 * Needle Man
 * Magnet Man
 * Hard Man
 * Top Man

Special Robot Master: Quint