Final answer:
In the scenario where Batman and Superman battle, the conflict is an external type known as character vs. character. This describes a situation where two individuals confront each other, differing from internal struggles or battles against nature, society, or fate.
Step-by-step explanation:
In the scenario where Batman and Superman battle for ultimate supremacy, we are presented with a classic case of d. character vs. character conflict. This type of conflict is categorized as an external conflict, where two individuals are in opposition to each other. It focuses on the clashing values, needs, or interests of different characters, in this case, two iconic superheroes. The conflict is palpable and drives the story forward as these characters are pitted against one another.
Character vs. self conflict, on the other hand, is an internal struggle where a character grapples with conflicting beliefs, values, or goals, and must overcome their own internal struggles. Character vs. environment or nature pertains to a character battling against external forces of nature or their surroundings.
When a character is at odds with societal norms, laws, or cultural expectations, it is termed character vs. society. Lastly, character vs. fate or the supernatural deals with a confrontation with the uncontrollable forces of the universe or mystical entities.
Considering the given scenario, the correct option that best describes the conflict where Batman and Superman battle for ultimate supremacy is option D: character vs. character.