The DCUO (DC Universe Online) origin story is mainly about how your character comes into being in the DC Universe. It sets the stage for your adventures. It might involve things like your character getting powers, either through some scientific accident or a magical encounter. It's the starting point that defines who your character is and what their place will be in the world filled with superheroes and villains.
I don't think there is a Marvel game equivalent to DCUO. Usually, Marvel games have their own unique features and gameplay mechanics that set them apart.
Sure. One key element is the source of powers. It could be scientific like a chemical spill or magical such as a deal with a dark entity. Another is the character's initial motivation which is often related to their new - found powers. Also, the introduction of important characters or factions in the origin story that will play a role in the character's future adventures.
To develop Ares, show his internal conflict. He's the god of war, but he could have moments of doubt about the destruction he causes. For example, after a particularly bloody battle, he might question if war is always the answer.
I'm not sure which specific novel 'Luna Ares' is from. It could be a character created by an indie author or from a relatively niche piece of literature. Without more context, it's hard to say exactly who this Luna Ares is in the novel.
Ares fanfic often features his fierce and war - like nature. His power and strength are usually highlighted. For example, in many fanfics, his battles are described in great detail.
The 'ares 3 real story' might refer to a particular narrative within a science - fiction or adventure - themed work. If it's related to a game, perhaps it involves the exploits of characters in a unique setting. For example, it could be about a group of astronauts on a mission named Ares 3, facing various challenges like dealing with alien life forms, surviving in a harsh environment, or solving complex technical problems to complete their mission successfully.