For Mega Man's Matchup Spread:

:-1 (Could potentially be even in the future but it isn't looking like it right now)

:+1

:-1

:+1

:+1

:+1

:-1

:+1

:-1 or 0

:-2
And with High Tier:

:+1

:+1 (Maybe +2? I've heard that it might also be +2)

:-1 or 0

:+2

:+1

:+1

:-1

:
Unwinnable (Just like any other Ditto)
And for the people who consider



high tier, they are all +2.
So it's a total of +3 to +5 (+9 to +11 if you add all three of



as well) aganist the top and high tiers in total.
That is really good
So yea, I have no idea where Mega Man having a bad matchup spread came from. He has a really good matchup spread. Not to mention he does really good aganist the lower tiers too (Can't think of any he doesn't beat except maybe

and

, although I might be forgetting someone).
The main problems are that he is really hard and tiring to play, and that he has low representation.