Warning: major spoilers for 'Spider-Man: Brand New Day' follow. The 'Spider-Man: Brand New Day' post-credits scene does more than tease Peter Parker's next adventure. Cindy Moon Quietly Joins the MCUOne of the key moments in 'Brand New Day' comes through Cindy Moon. Who Is Cindy Moon? Read more Tom Holland and Zendaya 'Hated' an Early Cut of 'Spider-Man: Brand New Day': Here's Why Tom Holland and Zendaya 'Hated' an Early Cut of 'Spider-Man: Brand New Day': Here's WhyCindy Moon first appeared in Marvel Comics in 2014.