With all the references to tokusatsu in UF -- Ultraman, Godzilla, and allusions to Super Sentai -- where's the love for Kamen Rider?
I could totally see Phillip and Shotarou(aka Kamen Rider Double) as detectives(possibly Grey Lensmen?) in New Avalon or someplace.
Of course, there's something like 40-plus years of material to cover when it comes to Kamen Rider... how could to fit it all in? Maybe if all the evil organizations that the Showa Riders fought were precursors of Big Fire, or Big Fire-esque organizations?