Well, for one, it's the novelty of it. People are often drawn to pairings that are not the typical, mainstream ones. Spider Man's acrobatic and web - slinging nature combined with Tigra's feline grace and strength can make for some exciting and romantic scenarios. Also, exploring how two such different characters from the superhero world would interact on an emotional and romantic level can be really engaging for readers.
The allure of 'Spider Man x Tigra Romance Fanfiction' could be the potential for character growth within the relationship. Spider Man is often associated with responsibility and a bit of a loner lifestyle, while Tigra has her own story arc. In a fanfiction, they can bring out new sides of each other. For example, Spider Man might become more in touch with his wilder side through Tigra, and Tigra could find more stability with Spider Man. This exploration of how they change and adapt to each other in a romantic context can be very appealing to fans of fanfiction.
The appeal might lie in the contrast between the two characters. Spider Man is a well - known and beloved superhero, while Tigra has her own unique set of powers and characteristics. Their different backgrounds and abilities can create an interesting dynamic in a romantic story.