Complex sentence: The Owl (Leland Owlsley) is a fictional supervillain appearing in American comic books published by Marvel Comics, usually as an enemy of the superheroes Daredevil, Spider-Man and Black Cat.
Split into simpler sentences: The Owl (Leland Owlsley) is a fictional supervillain appearing in American comic books published by Marvel Comics. The character is depicted usually as an enemy of the superheroes Daredevil, Spider-Man and Black Cat.