Samurai Batman pursues the ronin Joker in 16th-century Japan.
Well seeing as how Batman is a Ninja....
Samurai Batman in his ceremonial attire.
Unless Batman is in a Samurai disguise, (that clearly has Batman symbol on the chest of)...
he wouldn't be attending any ceremonies as Batman.
The Batman of Gotham 2054.
Don't really have a problem with this. Except.... If it's 2054 wouldn't it be an electronic cigarette?