There are likely some out there. You can start by checking on popular fanfic websites like Archive of Our Own. Just search for 'Clark Kent Lex Luthor mpreg' in the search bar and you might find some interesting reads.
In a 'Lex Luthor kidnaps Lois Lane' fanfiction, there could be a lot of emotional turmoil. Lois's friends and colleagues at the Daily Planet would be worried sick. Perry White might send out his best reporters to dig up any information on her whereabouts. Meanwhile, Lex could be having second thoughts about his actions as he realizes the full extent of Superman's wrath that will come down on him if he harms Lois.
One common theme is the relationship struggle. Given their complex relationship in the original stories, the mpreg adds another layer of complication. Another theme could be secrecy, as they might need to hide the pregnancy from the public.
Well, Lex Luthor started out in a rather difficult situation. In his origin story, he was from a not - so - well - off family in a tough neighborhood. However, his genius was evident from a young age. He managed to build an empire through his wits and business acumen. But his encounter with Superman, a being with god - like powers, made him feel inferior. This sense of inferiority and his overarching ambition led him down the path of villainy. He began devising plans to take down Superman, believing that without Superman, he could be the most powerful and respected figure in the world.
Lex Luthor's age isn't fixed in the comics. It can change based on the creative direction of the writers and the era of the story. Generally, he's portrayed as an adult in his prime, often in his late 30s to 50s.
It can be disrespectful to the original source material and the intentions of the creators. The character of Lex Luthor has complex traits that should be explored in more meaningful ways.
Well, Lex Luthor's death varies depending on the comic storyline. Sometimes it's due to his own schemes backfiring, other times it's at the hands of a powerful foe.