I believe that's his point.
Also, my idea about the "third" hint:
-Third means both third character and third picture.
-Third picture will be the third character near the remaining arm of that giant robot.
Edit: Damn, just checked the unity while I posted, and yep, there's another "help reveal the picture" thing
To unlock pieces 1 & 2: 150 comments on this blog post. You can answer the following question: if you could ask Capcom anything about any of their games, what would you ask?
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To unlock the final pieces: TBA