The most prominent "Sarah" in recent Marvel romance discussions is Sarah Wilson, Sam Wilson's sister in The Falcon and the Winter Soldier . Her dynamic with Bucky Barnes became a fan-favorite "slow-burn" concept:
Though not a romantic lead, Steve Rogers' mother, Sarah, is the emotional anchor of his backstory. Her legacy of resilience defines Steve's character and his perspective on love and duty. MarvelCharm Sarah - Sexy - x106
Another author known for charming, feel-good romances that often focus on "happily ever after" tropes similar to Marvel's more optimistic romantic moments. The most prominent "Sarah" in recent Marvel romance
If you are referring to a specific creator or a fan-fiction series like "MarvelCharm," you might be looking for: Steve Rogers' mother