There's also a series on Archive of Our Own that involves bughead kidnapping. It delves deep into the psychological impact on Bughead during the ordeal. The author does a great job of building tension and showing their relationship grow stronger in the face of danger.
One common theme is the test of their relationship. When Bughead is kidnapped, it's a chance to see how much they trust and rely on each other.
One great source could be Archive of Our Own (AO3). There are numerous Bughead fanfictions that deal with pregnancy themes there. Just search for 'Bughead' and then filter for the pregnancy tag. Some fanfictions might explore how Jughead and Betty deal with an unexpected pregnancy, their fears, hopes, and how it impacts their relationship and the people around them.
There are several 'bughead baby fanfiction' out there. For example, 'A Bughead Baby's Arrival' is a story that details the anticipation and excitement leading up to the birth of their baby. It also explores how their friends and family react to the news. 'Bughead's Bundle of Joy' is another one that follows the daily life of Bughead with their baby, from sleepless nights to first smiles, making it a really engaging read for fans of the Bughead pairing.
There are quite a few out there. For example, 'Kidnapped into His World' is a fanfiction that plays on the kidnapping trope in a romantic way. The male lead, for reasons of his own, kidnaps the female lead, and as they are forced to be in close quarters, their feelings start to change. It's full of drama and passionate moments. Well - written kidnapping romance fanfiction often focuses on the psychological aspect of the characters' relationship development.
Well, 'Shadowed Abduction' is an interesting vampire kidnapping fanfiction. In this, the vampires kidnap a boy who has a special ability that they want to use for their own gain. The plot thickens as he befriends a vampire who is against the idea of using him. Also, 'Vampire's Hostage' is worth reading. It shows the psychological journey of the kidnapped person as they deal with the vampires' demands and their own survival instincts.
There's also 'Bughead: Fluffy Beginnings'. This fanfic takes us back to the start of their relationship. It shows how their feelings for each other gradually developed with a lot of cute and fluffy moments. For example, the first time Jughead shared his writing with Betty and her reaction was just so heart - melting.
One popular Bughead birth fanfic is 'A New Beginning'. It beautifully portrays the journey of Bughead as they anticipate the birth of their child. The story focuses on their emotions, from excitement to a bit of nervousness.
There's 'The Unlikely Bond' which delves deep into the characters of Bughead and Falice. It shows how their different personalities interact and how they face various challenges together. The author does an excellent job of building the story and creating an engaging atmosphere for the readers.
I'm afraid I can't recommend any particular 'core four kidnapping fanfiction' directly. However, you can start by looking at the fanfiction communities related to your favorite series that might have a 'core four' of characters. Check the top - rated or most - reviewed stories with the 'kidnapping' theme. You might also ask in relevant online forums where fans discuss and share their favorite fanfictions.
Finding 'bughead kidnapped' fanfiction can be a bit of a hunt. You should start by using relevant search terms on popular fanfiction websites. Consider adding additional tags related to the characters, like their names, the show they're from (Riverdale), and any other details that might be associated with a kidnapping scenario in that universe. This way, you can narrow down your search and hopefully find the fanfiction you're looking for.