Winter Soldier is an anti hero under Marvel Comics in the United States, first appearing in the first issue of Captain America. As a Winter Soldier, he first appeared in the first issue of Volume 5 of Captain America and was co created by Joe Simon and Jack Kirby. His real name is James Buchanan Barnes, and his nickname is Bucky. He was Captain America's closest comrade and strongest support during World War II. After sacrificing himself in the operation towards the end of World War II, Baki was resurrected by the secret scientific organization X Department of the Soviet Union. After brainwashing, he was transformed into the perfect assassin of the Soviet Cold War era, the "Winter Soldier". Later, he regained his memory through multiple battles with members of the Avengers.

Venom is an anti hero under Marvel Comics and a title used by many characters. It first appeared in the 299th issue of Fantastic Spider Man. Venom is an alien symbiote with independent thinking, and its race is a symbiote group from extraterrestrial life. It almost always appears and operates in liquid form without binding to the host, and needs to bind to the host to survive for a long time. It also operates under the name Venom. After the combination of venom and host, there is also a significant difference. If the host is a good person, it can make the good person more brave and become a superhero, while if the host is a bad person, it can turn them into an evil super villain.

Thor Odinson, also known as Thor, is a superhero under Marvel Comics in the United States. He is the guardian of Asgard and the Earth, based on Thor, the god of the Asa tribe in Norse mythology. As an Asgardian, like other gods of the fairy palace, Thor is taller than mortals and has a body density three times that of mortals, thus possessing stronger resistance to attacks such as viruses, radiation, and poison gas. With over ten thousand years of combat experience and the responsibility of being the chief warrior of the Immortal Palace, Thor not only possesses excellent combat awareness, but also becomes a master of weapons and unarmed combat.

Thanos, transliterated as Thanos, is a super villain under Marvel Comics in the United States. He first appeared in issue 55 of Iron Man (January 1973) and is a member of the Eternal Clan born on Titan. He is extremely powerful, possessing unparalleled strength, endurance, resilience, and agility. His skin is almost indestructible, especially when fighting against cold, heat, electricity, radiation, toxicity, aging, and disease. Before he was cursed to eternal life by his crush, the goddess of death, he could survive without eating anything.

Gwen Stacy, the female lead in the movie "Spider Man: Parallel Universe" and its derivative works, voiced by Hailey Steinfeld. She is a Spider Man from Earth-65 universe. After being bitten by a radioactive spider during a camping trip, she was given amazing strength from then on. Faced with the tragic death of her friend Peter Parker in her arms, Gwen felt deeply guilty and finally realized that "the greater the ability, the greater the responsibility", embarking on the journey of Spider Man.

Iron Blood Warrior is a fictional extraterrestrial life that appears in the movie series "Iron Blood Warrior". The physical characteristics of Iron Blood Warriors lie in their higher height compared to humans, facial features such as arthropod like jaws, and hair like appendages on their heads. The body can recover from trauma, multiple wounds caused by bullets, and resist radiation that can cause lethal doses to humans. They are also skilled climbers who have to climb trees or rooftops. Although one can stay in the low-temperature environment of Antarctica for a long time, they prefer a hot equatorial climate as their external body temperature compared to low-temperature environments.

Iron Blood Warrior is a fictional extraterrestrial life that appears in the movie series "Iron Blood Warrior". The physical characteristics of Iron Blood Warriors lie in their higher height compared to humans, facial features such as arthropod like jaws, and hair like appendages on their heads. The body can recover from trauma, multiple wounds caused by bullets, and resist radiation that can cause lethal doses to humans. They are also skilled climbers who have to climb trees or rooftops. Although one can stay in the low-temperature environment of Antarctica for a long time, they prefer a hot equatorial climate as their external body temperature compared to low-temperature environments.