He might break the computer. Doom Guy is known for his strength, and a punch from him could easily shatter the screen or damage the internal components of the computer.
There could be characters like Reed Richards. He is often in conflict with Doctor Doom. Richards represents the scientific and heroic side, which contrasts with Doom's more megalomaniac tendencies.
Sure. Fanfiction writers often come up with the wildest crossovers, and 'Naruto is the Doom Slayer' is one of those really creative ideas. It might explore how Naruto's chakra powers could be used in a way similar to the Doom Slayer's abilities, or how his ninja - like agility and combat training would fare against the demons in the Doom universe. There could be all sorts of interesting plot twists and character interactions in such a fanfiction.
The Doom 4 story is about a lone Doom Marine facing off against the forces of Hell on Mars. He has to battle hordes of demons to stop them from spreading chaos and destruction. It's a fight for survival and to save humanity from the demonic invasion.
In Doom 2, the story picks up with the Doomguy being in the middle of a full - scale demonic invasion on Earth. The demons are everywhere, causing chaos and destruction. The game's levels are designed to tell the story of his journey as he moves from one area filled with demons to another. He uses an arsenal of weapons to fight off monsters like the Pinky, the Cyberdemon and others. It's a fight for survival and to reclaim the Earth from the clutches of Hell.