Yes, many of them are. For example, some of the 'Spider - Man' graphic novels have simple storylines that are easy to follow and introduce the character and his world well. They can be a great starting point for those new to Marvel comics.
The 'Avengers' graphic novels are a big draw. They bring together Earth's mightiest heroes like Iron Man, Captain America, and Thor. The stories can range from them fighting against a single powerful villain like Thanos in the Infinity Gauntlet storyline to dealing with smaller, but still dangerous threats that require their combined might.
Definitely not true. Rikki Tikki Tavi is a work of fiction. It was crafted to bring adventure and imagination to the readers, not based on real events or people.
One common theme is the clash and subsequent integration of two very different worlds. Harry Potter's magical world and the high - tech, superhero - filled world of Marvel. Another theme is redemption. Bucky Barnes is often on a journey of self - redemption, and Fem Harry Potter, with her own experiences of fighting against dark forces, can play a role in that journey.
As far as I know, without more information about this 'rikki swift love story', it's hard to say if it's a famous one. There are so many love stories out there, and if this is a very personal or local story, it might not be widely known.
In 'Rikki Tikki Tavi', Rikki Tikki has to face and defeat two snakes to keep the human family safe. There's a lot of tension and excitement as he shows his courage and skills.
The main conflict in 'Rikki Tikki Tavi' is between the mongoose Rikki Tikki and the snakes Nag and Nagaina, who threaten the safety of the human family and Rikki's new home.