You can try fanfiction.net. It has a large collection of fanfics from various fandoms, including those about Peter Parker. Just use the search function and type in relevant keywords like 'Better Peter Parker' and you'll likely find some interesting reads.
Some dedicated Spider - Man fan forums might also have threads about 'Better Peter Parker' fanfics. You can join these forums, introduce yourself, and then ask the members if they know of any good ones. They might be able to point you to some hidden gems that are not as well - known on the bigger platforms.
There's also 'A Better Peter Parker: The New Beginnings'. This fanfic focuses on Peter's growth as a person and a superhero. It starts from a point where he's at a low in his life and shows how he overcomes challenges, both internal and external. It has great descriptions of his emotions and his journey to become a better version of himself.
Some fandom - specific forums or communities might also be a great source. There are often members who share their own fanfictions or recommend good ones they've read. For example, there could be Marvel - related forums where fans discuss and share these types of crossover fanfictions.
Some smaller, more niche fanfiction communities dedicated to Spider - Man might also have such fanfictions. You can find these by searching for Spider - Man fan groups on social media platforms and then asking around if they know of any 'Peter Parker shirtless' fanfictions or if they have a collection on their own websites.
You can try websites like Archive of Our Own (AO3). It has a large collection of fanfiction, and you're likely to find many stories related to Hydra and Peter Parker there.
Another option is to check out some Spider - Man - themed fan communities on social media platforms. Sometimes, fans will share links to their favorite fanfics, including those that deal with an 'abused peter parker' storyline. But be sure to follow the rules of the community when looking for these fanfics.
Fanfiction.net might also be a good place. Look for tags related to Peter Parker and then skim through the summaries to find the ones that seem to be quieter. Some authors might label their stories as being more about Peter's internal thoughts or his quieter relationships, like with his aunt May in a more subdued setting.
There are also some specialized Spider - Man or Marvel - related fanfiction communities. These places might be a good bet to find 'peter parker is poisonous fanfiction'. Check out forums where fans discuss and share their own fan - made stories. They may have a link or know where to find this particular piece of fanfiction.
You can find 'Peter Parker and Avengers' fanfiction on websites like Archive of Our Own (AO3). It has a vast collection of fan - created stories in this category. Just search for the relevant tags, and you'll be presented with numerous options.
Some dedicated Spider - Man fan communities may also have a collection of such fanfictions. You can join these communities, introduce your search for Peter Parker sick fanfiction, and ask for recommendations from the members. They might be able to point you to some great reads that you may not find easily through general searches.
Fanfiction.net is a popular site for finding Peter Parker strong fanfiction. It has a wide range of stories, from beginner writers to more experienced ones. AO3 is another good option. It has a more organized tagging system, so you can search for tags like 'Peter Parker' and'strong' to find relevant fanfictions. Additionally, Wattpad may also have some interesting Peter Parker fanfictions, though it's more diverse in terms of content quality.