You know what a Rubin vase is, right? One of those things where you either see a vase or two faces. So tell us, is this Wolverine, or two Batmen?

(via)
You know what a Rubin vase is, right? One of those things where you either see a vase or two faces. So tell us, is this Wolverine, or two Batmen?

(via)

Spoiler alert: "Wolverine or two Batmen" is literally the plot of The Prestige...