The "Free Comic Book Day 2010 (Iron Man: Supernova)" #1 comic book released by Marvel Comics in May 2010 features a collection of stories and artwork by various artists and writers such as Craig Rousseau, Leonel Castellani, and Todd DeZago. The comic book includes appearances by well-known characters like Iron Man, Captain America, and the Hulk, along with newcomers like Kate Mcmillan and Mikhlo. With a mix of superhero and science fiction genres, this special issue is a must-have for any comic book enthusiast looking to add a unique piece to their collection from the Modern Age era of US Comics.