One way to tell is by looking at the quality of the paper and printing. First prints often have better print quality. Another thing to look for is any special labels or editions mentioned on the cover or inside the comic.
You can look for specific markings or codes on the comic's cover or inside pages. Sometimes, there'll be a first print notation or a unique serial number.
Yes, I can start a Star Wars fanfic for you. There was a smuggler named Jax who had a run - in with the Empire. He was transporting a group of Rebel spies across the galaxy. His ship, the 'Star Runner', was old but reliable. Jax had to use all his wits and piloting skills to avoid Imperial starships. Along the way, he met a mysterious figure who seemed to know more about the Rebels' plans than he should. This figure offered to help Jax, but at a price.
Star Wars initially came to the public's attention as a series of movies. The comics came later as adaptations or expansions of the movie universe. So, it wasn't a comic first.
Well, the 'Star Wars First Novel' is important because it was a way to keep the Star Wars fever going between movie releases. It gave fans something new to consume and discuss. It could have been the starting point for many fan theories and speculations. Moreover, it might have inspired new fans who were more into reading to get into the Star Wars universe, thus expanding the fan base in a different demographic.
The 'First Star Wars Story' is likely important as it might introduce key characters or groups in a more primitive form. It can give insights into the early politics and power dynamics of the galaxy. It could also establish the visual style and the feel of the Star Wars universe, from the design of the spaceships to the architecture of the planets, which would then be developed further in subsequent stories.
The very first Star Wars novel was 'Splinter of the Mind's Eye' by Alan Dean Foster. This book delved deeper into the Star Wars universe and provided fans with additional adventures and storylines.