How to fight Akuma in Street Fighter X Mega Man

street-fighter-x-mega-man

Apparently, Akuma is a secret boss character at the end of the game, as seen here:

Question is, how do I get to fight him?

Best Answer

Shoryuken reports that you need to defeat three bosses in the game with a perfect.

However, this is incorrect. You actually have to beat four bosses 1 2 with a perfect in order to face Akuma.