Now it may well be compulsory.
DC Comics is to publish a new comic book based on the 1960s Batman TV show. There will no doubt be the suggestion that this may accompany a long awaited release of the TV show on DVD/Blu Ray, delayed over legal wranglings between Warners and Fox.
There will also be a SDCC Exclusive toy of the Adam West Batman doing the Batusi.
And here's a look at the Cesar Romero toy…