Batgirl in fanfic is usually very determined. She doesn't give up easily when facing challenges. Whether it's a powerful new villain or a difficult situation in Gotham, she'll keep fighting. Also, her relationship with the other members of the Bat - family is often explored in depth. Her loyalty to Batman and her friendship with Robin are important aspects that are often depicted in different ways in various fanfics. Sometimes she's seen as a mentor to Robin, and other times she's learning from Batman's experience.
It could be Meg. Since she's often the outcast in the show, turning her into a giantess could be an interesting twist. It would give her a new - and very literal - form of power and attention that she doesn't usually get in the show.
Sure! Batgirl has been featured in many comic series over the years. Different writers and artists have brought their unique visions to the character, creating diverse and exciting stories.
It's hard to say if it's a new trend. There could be a growing awareness within the Batgirl fandom to keep the character away from adult fanfiction. But without more evidence, it's difficult to label it as a trend. It might just be an expression of a particular group's opinion.
Batgirl's sexual orientation can vary depending on the comic. In certain runs, she is indeed portrayed as lesbian, but this isn't consistent throughout all of her comic appearances.
She might become more hardened. Facing the return of the Joker, a very dangerous and unpredictable villain, she would have to toughen up both mentally and physically. Maybe she would start to be more cautious in her actions.
A 'giantess cuckold story' typically involves a fictional scenario where there is a giantess character in a relationship dynamic that may involve elements similar to the concept of cuckoldry in some way. However, it's often a very niche and specific type of fictional or fantastical narrative.