Caught this one over on GoNintendo. These songs are more than 20 years apart, but they may have more in common than you think. Give 'em a listen and see for yourself.
Of course, there are a few well known cases of Mega Man music sounding like other music from the mainstream. I listed this and a few others over in a post on Mega Man Maniacs for your perusal. Perhaps you know of other songs that share similarities to Mega Man? Share 'em (legally).