There are indeed non-canon Batman comics. These can range from one-shot specials to alternate reality tales. They give creators the freedom to play with the Batman mythos in ways that don't fit within the regular canon framework.
Yes, Batman Detective Comics is generally considered canon within the Batman comic universe. It contributes to the overall continuity and lore of the character.
Well, there are a significant number of canon Batman comics. It's a constantly evolving collection. Different story arcs and series contribute to the count, but it's difficult to provide a precise figure due to the ongoing nature of comic production.
The Batman comics considered canon usually include those directly written by key comic book authors and officially recognized by DC Comics. But it can vary depending on specific storylines and reboots.
The determination of which Batman comics are canon can be a bit complex. Generally, those published under the main DC continuity and officially recognized by DC Comics are considered canon.
Yes, they are. The Batman Beyond comics are usually regarded as canon within the Batman Beyond universe.
It depends. Different Batman novels might have different statuses regarding canonicity. Some might be directly tied to the main continuity, while others could be standalone or in alternate universes.
The status of the Batman prequel novel as canon is unclear. It could be if it complies with the core lore and is sanctioned by the relevant authorities. But if it contradicts or strays too far from the established Batman narrative, it's likely not canon.
Yes, Batman: The Knight comic is typically regarded as canon within the Batman comic universe.
In some comic arcs, Spideypool is definitely canon. However, it might not be a consistent or major plot point across all comics.
Well, the canon status of MK comics isn't straightforward. It might be canon within certain story arcs or universes, but not across the board. Different interpretations and continuities can come into play.