Raph and Leo went missing, leaving Mikey and Donnie worried. They find out they joined the foot clan. They hurt them. Mikey and Donnie try and save their brothers but it doesn't work. They get captured. Mikey then finds himself as Shredder's personal slave as shredder could see he could control the turtles by threatening his life instead.
Short story, pictures not mine, Tmnt not mine