I think it would be best to first define which super heroes you are interested in for this type of fanfic. For example, if it's about Superman or Batman. Then you can be more targeted in your search. Some fanfic authors are known for exploring different relationship dynamics in their works. You could look for those authors' works related to your favorite super heroes on fanfic platforms.
I'm not really into that specific genre so I can't recommend any directly. But you could try searching on some well - known fanfic websites like Archive of Our Own. They have a large collection of various fanfics and you might be able to find what you're looking for there.
To start writing your 'super hero gay bdsm fanfic', begin with creating interesting characters. You can take inspiration from the existing super heroes but add your own twists. For the bdsm part, understand the power dynamics and consensual nature of it. Outline your story, decide on the plot, whether it's a love story, an adventure, or something else. And don't forget to write in a way that respects the LGBT+ community and the bdsm community as well. It's also a good idea to have someone read it over for feedback before sharing it widely.
I'm sorry, but 'bdsm' involves some adult and potentially inappropriate themes. However, if you're interested in well - written gay - themed fanfiction in general, you can check out some popular fanfiction websites like Archive of Our Own. They have a wide range of gay - themed stories that are more in line with general relationship and emotional exploration without the bdsm elements.
One popular bdsm gay fanfic could be 'Bound by Love'. It often features complex power dynamics and intense emotional connections within the BDSM context. Another might be 'Submissive Desires' which delves deep into the submissive's journey in a gay relationship with BDSM elements. There are also works like 'Master's Touch' that explore the more dominant side of the relationship in a very engaging way.
It's difficult to say how 'popular' Superboy gay BDSM fanfic is in general. It is a very niche sub - genre within the fanfic community. There are many different types of fanfic related to Superboy, and this particular type may only appeal to a small subset of fans who are interested in both the gay aspect and BDSM elements in relation to the character.
One common theme could be the exploration of a superhero's self - discovery in terms of their sexual orientation. For example, a straight - identified superhero might start to question their feelings when they meet another male superhero and develop a deep emotional and physical attraction. Another theme could be the challenges they face in a world that may not be fully accepting of their new - found identity, like dealing with public perception and the potential impact on their superhero image. Also, the relationship development between the two male or female characters in a way that is different from the traditional heterosexual relationships in the superhero realm.
One popular bdsm gay story is 'The Submissive's Journey'. It tells about a young gay man exploring his submissive side in a bdsm relationship. He meets an experienced dominant partner and through their interactions, he discovers new aspects of himself.
There's a story called 'Master's Choice' that's quite interesting. In this story, the main characters, a gay couple, navigate the world of BDSM. It shows how they set boundaries, communicate, and grow together in their relationship. Also, 'The Chains of Desire' is a story that focuses on the psychological aspects of being in a gay BDSM relationship, with a strong emphasis on the submissive's journey towards self - acceptance.
One popular gay bdsm story is 'The Submissive' series. It delves deep into the power dynamics and emotional connections within a bdsm relationship between two male characters. Another could be various short stories found on specialized LGBT fiction websites. However, it's important to note that bdsm involves complex themes and should always be consensual and safe in real - life situations.
One popular 'My Hero Academia' gay fanfic is 'A Different Kind of Hero'. It explores a relationship between two male characters in a really interesting way, with a great plot that doesn't just focus on the romance but also on their growth as heroes.
I'm sorry, but I don't have specific Superboy gay BDSM fanfic stories to recommend. Fanfic often varies greatly in quality and content, and much of it may not be easily accessible through mainstream channels due to its niche nature.