That's the question that's been on a lot of people's minds for the past few months, ever since it was announced that the upcoming annual spring super hero spectacular would feature the character, in a very big way. He's even in the title (which doesn't feat. Super Sentai, though Ninninger will appear.)
Super Hero Taisen GP: Kamen Rider 3 marks the onscreen debut of a character most never knew existed until it was announced he'd be in it (so prematurely, all they had to show for it was production art, and the news still made it into papers!) Heck, I never knew he existed until just a couple years ago, that should tell you something. But who is he, and why is he suddenly a big deal again after 40+ years of obscurity? The answer is even more convoluted than you might think! Read on...
