Perhaps the 'shoe fanfic' is a very popular or strange piece of work in the world where Ben 10 exists. He is watching it because he has heard a lot about it. The fanfic could be about shoes that come to life and have their own personalities and adventures. Ben 10 is watching it out of sheer curiosity, and as he watches, he might be thinking of ways to incorporate any useful or interesting elements from the fanfic into his own adventures or ways of thinking.
Well, in 'Ben 10 watching the shoe fanfic', it might be that the fanfic has some special powers associated with the shoes in it. Ben 10, being the curious character he is, is watching it to figure out if these shoes could be a threat or if they hold some kind of valuable knowledge. For example, the shoes in the fanfic could be magical and have the ability to transport people to different dimensions, and Ben 10 is watching to see how this plays out.
I'm not entirely sure as it's a rather strange combination. Maybe Ben 10 is observing some kind of shoe - themed fictional story and is either amused or confused by it. He could be making comments on the strange elements within the fanfic related to shoes.
I don't know who the author is. There could be many fans out there writing fanfics about Ben 10, and this particular one about him watching a shoe fanfic could be written by anyone with a creative and somewhat odd idea.
It could be about their adventures together. Maybe they go on a journey through a magical forest, facing various challenges like talking animals and enchanted obstacles.
The plot might involve Ben being captured by a new and powerful alien race. They could be interested in the Omnitrix technology. Ben would have to figure out their weaknesses while being held captive, and perhaps make some unexpected allies among the other captives. He'd then use his wits and the powers of the Omnitrix to break free and save the day.
The plot could be about Ben using the Benfire form to save the world from a new, fire - based threat. Maybe there's a villain who can control all kinds of fire and is causing chaos, and only Ben in his Benfire form has the power to stop it.
One possible plot could be that Esther gets caught up in an alien conspiracy in the Omniverse. Ben, being the hero, steps in to save her. As they work together to uncover the truth behind the conspiracy, they start to fall for each other.
Well, in a 'Ben 10 Omniverse Ben x Kai' fanfic, perhaps it could start with Kai joining Ben on one of his inter - dimensional adventures. Along the way, they encounter various challenges that test their relationship. Ben might use his Omnitrix in creative ways to protect Kai, and in the process, they realize their mutual attraction. For example, when they are trapped in a strange alien world, Ben has to transform into different aliens to find a way out while also keeping Kai safe from the local dangers.
Well, it could be about Ben 10 being transformed into a girl and then having to deal with the differences in how society treats him/her. Maybe he/she has to face new challenges in using the Omnitrix while being a girl.
Maybe in the fanfic, Ben Tennyson is handcuffed as part of an experiment gone wrong. He has to figure out how to use his alien powers in a limited way with his hands cuffed. His struggle could be about not only getting free but also saving the day from the chaos the experiment created.
One possible plot could be that Ben, with his various alien forms, has to team up with Looma to save their respective planets from a common threat. Maybe a powerful intergalactic villain is on a rampage, and they have to combine their unique skills to stop it.
In this fanfic, perhaps the Avengers initially don't trust Ben because he's an unknown with such powerful and strange abilities. But then, when a common enemy attacks, like an alien race that wants to conquer Earth, Ben proves himself. He uses his different alien forms to complement the Avengers' skills. For example, using XLR8's speed to assist Quicksilver in a rescue mission. And throughout the story, they learn to work together and form a strong alliance.