Katana is a fictional superheroine that appears in comic books published by DC Comics. First appearing in 1983, Katana is a samurai warrior whose skill with a sword allows her to fight for justice as a superhero. Her tragic backstory includes the death of her husband, Maseo, whose soul becomes trapped in her blade, the Soultaker. Katana has been featured in various DC Comics superhero teams, including the Justice League and the Birds of Prey, but is most commonly associated with the team known as the Outsiders, a team of heroes hand-picked by Batman to act as his personal black ops team, handling riskier missions.