It's hard to say for sure if it's rare. You'd need to look at things like how common it is on the market, if it's a first printing, and if it has any unique characteristics that make it stand out. Without that info, it's tough to give a definite answer.
Sure is! Batman has been a staple of DC Comics for a long time. His stories and adventures are part of the DC universe. DC has built a rich and complex world around him.
There are a huge number of DC comic heroes. Some of the most famous ones include Superman, Batman, Wonder Woman, and The Flash. But the list goes on and on, with countless others across various DC universes and storylines.
A direct edition comic book is typically a version that's sold directly to comic book stores and specialty retailers, bypassing the traditional newsstand distribution channels.
A direct edition comic book is typically a special version that is released without going through traditional distribution channels. It often has better print quality and maybe some exclusive content.
To draw them well, you should have a good grasp of anatomy and perspective. Work on getting the poses and expressions right. And don't forget about the colors and details that make them stand out in the DC Comics universe.