One common theme is love and relationships. Writers often explore how Jack forms deep, emotional connections with other male characters. Another theme could be identity, as Jack's own complex identity is further explored in relation to his sexual orientation in these fanfics.
One popular theme is his adventures in different time periods and how his relationships develop during those travels. For example, his encounters with other characters in a romantic context while on a mission in a particular era.
Well, it has its own following. Jack Harkness is a charismatic character, and his sexuality is part of what makes him interesting. Fanfic writers often take his character and create stories that explore his gay relationships, whether it's with other established characters or original ones. So, while it may not be mainstream across all fanfiction, it has a dedicated group of writers and readers.
Romance is a very common theme. Writers often explore the relationship between Jack and the reader character, from the initial attraction to a deeper emotional connection. Another theme is adventure, as Jack is known for his time - traveling and exciting exploits, and the reader usually gets involved in these adventures too. There's also the theme of mystery, given Jack's own mysterious past and nature.
Well, another place could be FanFiction.net. However, the collection on AO3 is usually more diverse and inclusive. You might need to dig a bit deeper in the search results on FanFiction.net to find exactly what you're looking for. Keep in mind that different authors may have different writing styles, so it's fun to explore different works.
One great 'jack harkness x reader fanfic' is 'A Journey with Jack' on FanFiction.net. It has a really engaging plot where the reader character gets involved in Jack's adventures across time and space. The writer does a wonderful job of capturing Jack's charm and charisma, making it a very immersive read.
One possible plotline could be that the Doctor and Jack Harkness team up to save a planet from an unknown alien threat. They use their combined knowledge and skills to outwit the aliens.
There are themes like friendship evolving into love. Jack might start off with a close friendship with another character, and as the story progresses, it turns into a romantic relationship. Another common theme is the struggle for equality. Just like in real - life situations, Jack may have to fight for his rights and the right to love in the Supernatural world. And of course, the theme of sacrifice can also be present, where Jack or his partner might have to sacrifice something for their relationship.
One great Jack Harkness and crossover fanfiction is 'Jack in the Doctor Who - Star Trek Nexus'. It combines the adventurous spirit of Jack from 'Doctor Who' with the sci - fi universe of 'Star Trek' in an exciting way. The story has him interacting with the Star Trek crew and facing unique challenges.
One interesting Jack Harkness pregnant fanfiction could be where his pregnancy is a result of some alien encounter. Maybe an alien race has a unique way of reproduction and Jack, being the adventurous character he is, gets caught up in it. This type of story can explore how he deals with the physical and emotional changes, as well as how his friends react to this unexpected situation.
Adventure is another popular theme. They often embark on exciting journeys together, exploring new places and having thrilling experiences. For example, they might go on a treasure hunt or explore a mysterious old castle. This allows for a lot of action and discovery in the stories.