Asterix & Obelix XXL begins to brew, and a nearby tree is struck by lightning. Dogmatix is frightened, and runs away. While they are searching for him, Asterix and Obelix see flames in the distance. Asterix hurries off to investigate, while Obelix remains and searches for Dogmatix. Upon arriving at the scene, Asterix meets a Roman secret agent, formerly in Caesar's service. He feels scorned for having been sacked by Caesar, and agrees to help Asterix and Obelix foil the Romans plans. Asterix enters the village to find it ablaze and full of Romans. He quickly defeats them, and makes his way through the
American comic book tropes North America. There are many definitions of a superhero, and the subject is debated by scholars and industry professionals. Peter Coogan identifies influences to comic book superheroes in the form of super-strong comic strip characters, pulp heroes, masked vigilantes dubbed "mystery men", and precursors, who lack specific elements of modern superhero convention. According to Coogan, Superman is the first character to bring together all of the necessary elements. Coogan defines the superhero as "a heroic character with a selfless, pro-social mission" who has powers, a codename, colorful costume, and usually a secret identity. American comic books can be sold through