One common theme is Matt's internal struggle with his pain. Since he's hurt, it often explores how he copes with his physical and emotional pain while still being Daredevil. Another theme is his relationships, like his friendship with Foggy or his romantic interests. How they react to his hurt state and support him is often a big part of the stories.
You can start by looking on fanfiction platforms like Archive of Our Own (AO3). It has a large collection of Daredevil fanfics. Just search for 'Daredevil Matt Hurt' and you'll get a list of relevant stories. Another option is FanFiction.net, though the tagging system there might require a bit more digging to find exactly what you're looking for.
Sure, it can be normal. Just like any person might be interested in what others write about them or their alter - ego. It's a way to connect with the fan community on a different level.
Well, it could be a way for the daredevil to see how others perceive their character. Maybe they find it interesting to see the different scenarios and relationships that fans come up with in the fanfiction.
Matt could be a new superhero in the fanfic. Maybe he has some unique powers or abilities that haven't been seen before. He might be a street - level hero who has a different perspective compared to the Avengers.
One popular theme is exploring Matt Murdock's internal struggle with his dual identity. Another is his relationships, like his complex dynamic with Elektra. Also, the idea of how he balances his law career and vigilantism is often explored in fanfiction.
A strong - willed lawyer would be an ideal wife for Daredevil. She could help him with legal matters related to his vigilantism. Also, she would be able to hold her own in the dangerous world Daredevil inhabits.