It really depends on the writer's preference. Some fanfictions might have Naruto winning because of his unwavering belief in friendship and his ability to draw on the power of the nine - tails. Others might have Sasuke winning due to his strategic mind and mastery of the sharingan.
In other fanfics, Jason comes out on top. His leadership skills and ability to control the wind and lightning can give him an edge, especially when the battle takes place in an open area. Also, his Roman military training sometimes gives him an upper hand in strategic battles.
Wonder Woman usually wins in their encounters. She has a wide range of abilities. Her bracelets can deflect attacks, and she can fly, which gives her mobility that Poison Ivy lacks. Poison Ivy is mainly focused on her plant powers. Although she can create large and dangerous plants, Wonder Woman can use her indomitable will and fighting skills to break through Ivy's defenses. Also, Wonder Woman's experience in dealing with various threats in the DC universe gives her the knowledge and strategy to take on Poison Ivy effectively.
No. It's not fair. Fiction should be more inclusive and diverse. Just because of the traditional view that men are stronger doesn't mean female characters should always lose in fights. It limits the potential of female characters.
Many fanfics also feature Kanoh Agito. He has a mysterious air about him and his incredible fighting abilities make him a prime choice for fanfic writers. Himuro Ryo is also popular. His relationship with other characters and his own fighting style are often explored in fan - created works. And the new and upcoming characters also tend to gain popularity as fanfic writers like to expand on their potential stories.
Blade Fangs was a Japanese manga created by Itagaki Keisuke. There were four works in total, namely Grappler Blade Fangs, Fanma Blade Fangs, Blade Fangs Path, and Blade Fangs Path 2. The theme of this manga was hand-to-hand combat, and it told the story of the young Blade Fang fighting with strong enemies in various underground arena competitions. The characters in the Blade Fangs series had distinct personalities, compact storylines, and unique styles. This series of comics was well-known in China and was welcomed and loved. The animated version of Blade Fangs also had two seasons and could be watched online. As for the viewing order of Blade Fangs, they could be viewed in the order of Blade Fangs 1, Blade Fangs 2, Fanma Blade Fangs, Blade Fangs Path, and Blade Fangs Path 2.
Goku from Dragon Ball Z would be an interesting addition. His Saiyan powers and love for fighting would make for some epic battles against the Kengan Ashura fighters. His ability to transform and increase his power levels would pose a great challenge to them.