Castlevania celebrated its 40th anniversary this week–an impressive milestone in video games and a terrifying pair of numbers for anyone who was born in 1987. Konami marked the occasion with a new video paying tribute to the original whip-slinging hero of the 1986 Famicom game, as well as all of the other influential entries in the Castlevania series over the last four decades. It’s a cute little retrospective, and it might also be teasing something else from Konami, if our tinfoil-hat-speculation is right.…