My Gym Teacher Is an Alien Overlord

This sequel to My Brother Is a Superhero follows Luke, who is frustrated because his brother Zack and his friend Lara have superpowers while he does not. Luke becomes convinced that aliens disguised as gym teachers are planning to attack Earth, but nobody believes him. Desperate to stop the invasion, Luke makes a risky deal with a self-styled supervillain and sets out to save the world—even though he still has to find his trainers along the way.