There are indeed Elseworld CW comics. These comics often present unique and imaginative scenarios that deviate from the standard canon. They can explore different timelines, powers, or relationships for the characters.
No, Atlanta is not a true story. It's a fictional creation with elements that may draw inspiration from various sources but are not based on real events or people.
I'm not entirely sure specifically as there could be many 'Arrow' CW graphic novels. Generally, it might be about the Arrow character from the CW show, with his adventures, battles against villains, and his journey to protect the city. It could include his origin story, his relationships with other characters like Felicity and Diggle, and the various challenges he faces in the crime - filled Starling City (or later, Star City).
Atlanta isn't based on a specific true story. It's a fictional show that weaves together themes and situations to create its unique narrative. The creators have used their creativity and imagination to craft the storylines rather than relying on real-life events.
It's hard to say for sure. The story might be based on some real events or inspirations, but it's likely to have been fictionalized and dramatized for the show.
Atlanta Comic Con dates can vary each year. You'd best check the official website or social media pages for the most accurate and up-to-date information.