Marvel: A Hercules Training Manual from the Start

Marvel + transmigration + antihero + no female lead. He arrives in Marvel only to have Spider-Man save his life! Wait, he's Levi Ferr? Flash Thompson's sidekick, and one of the school bullies! To survive in a world where superheroes are everywhere, and to avoid Spider-Man coming after him later, maybe he should try the Hercules training method he has on hand!