Ares is a deity.
Ares ( [ ˈɛəriːz ] Ἄρης [ árɛːs ] ) is the Greek god of war . In Greek literature , he often represents the physical or violent and untamed aspect of war , in contrast to his sister the armored Athena , whose functions as a goddess of intelligence include military strategy and generalship . Ares ( also sometimes referred to as Mars or War ) is a fictional character , a supervillain who appears in DC Comics publications and related media . Based upon the Greek mythological figure of the same name , he is the Greek god of war and a major adversary of the super-hero Wonder Woman . Ares is a fictional character , a deity appearing in American comic books published by Marvel Comics .