What do the opening chapters of the novel foreshadow about Maniac Magee?

Despite his trials and tribulations, the first five chapters foreshadow that Maniac will become a larger-than-life figure who is deemed a legend. His strange habits, such as a love for Krimpet snack cakes and running, intimate to the reader that his character is quite unique. His unbelievable athleticism and fearlessness illustrate he has the character traits of a hero.