Peter Parker, of course, is the main character as Spider - Man. He is a high school student with great power and a sense of responsibility. Tony Stark is a key figure. He represents the more experienced superhero world that Peter is trying to enter. His influence on Peter is significant. Adrian Toomes, known as the Vulture, is the antagonist. He has his own backstory and motives for his illegal activities. His character adds the necessary conflict to the story, forcing Peter to grow and become a better hero.
The main characters are Peter Parker/Spider - Man, Tony Stark, and Adrian Toomes/The Vulture.