Has Luffy's mom appeared in the manga?

As of now, in the manga, the identity of Luffy's mom remains unknown. There have been many theories and speculations among fans, but no official confirmation.

Yes, Broly has made appearances in the manga.

Well, in the 'big mom is luffy's mom fanfic', they might have crafted a story where Big Mom is Luffy's mom. But it goes against what we know from the official 'One Piece' story. Fanfictions like this can be really interesting as they can rewrite the story in unexpected ways. They might have some interesting plot twists and explanations within the fanfic to justify this relationship, but it's not part of the main 'One Piece' universe.

Yes, Luffy has defeated Kaido in the manga.

One possible plot implication could be a change in Luffy's power source. Since Big Mom has such unique and powerful abilities, Luffy might inherit or be related to some of those powers in the fanfic. Maybe his Devil Fruit ability could be related to Big Mom's in some way.

Yes, Luffy has beaten Kaido in the manga.

No, Luffy is still on his quest to find the One Piece. The manga is full of twists and turns that prevent him from easily obtaining it.

Luffy's bounty in the manga has soared over time. It's a reflection of his growing strength and influence. The latest figure can be found by keeping up with the ongoing story. It's a testament to his status as a major threat in the One Piece world.

No, Luffy isn't dead in the manga. The story is still ongoing and he's very much a key character.

Huo Ling 'er's character had already appeared in the Perfect World manga. Huo Ling 'er was a mythical character in the perfect world. She had a flame-like body and abilities and was considered one of the key figures to saving the world. In the manga, Huo Ling 'er's appearance and story line had already developed to a certain extent. Her interactions and adventures with other characters also made readers look forward to it.