The "Demon Days Cursed Web #1" comic book, published by Marvel in 2021, features the main character Mariko in a modern age superhero story within the Marvel Universe. This single issue, in English and color format, is the first print of the series "Demon Days: Cursed Web." The comic is boarded and intended for a general audience, with no personalized or inscribed elements, making it a collectible item for fans of US comics and Marvel's cinematic universe.