I’ve been deep in the fanfiction scene for years, and 'Stucky' (Steve Rogers/Bucky Barnes) is hands-down one of the most popular pairings on AO3. It consistently ranks in the top 10 for Marvel pairings and often breaks into the overall top 20 across all fandoms. The sheer volume of fics—over 50,000 last I checked—speaks volumes. The ship peaked during the 'Captain America: The Winter Soldier' and 'Civil War' era, but even now, new fics pour in daily. What’s wild is how diverse the content is: from fluff to dark AU, slow burns to one-shots. The fandom’s dedication is unreal, with writers diving into Bucky’s trauma, Steve’s loyalty, and the 'best friends to lovers' trope that fans can’t resist. Even niche tropes like 'Bucky as a single dad' or 'Alpha/Beta/Omega dynamics' get thousands of hits. It’s not just quantity, either—some of the most kudos’d fics on AO3 are Stucky. The pairing’s longevity proves it’s more than a trend; it’s a staple.