Who are the best characters to include in a 'Ben Ten Marvel Fanfic'?

Obviously, Ben is a must - include character as he is the main user of the Omnitrix. Gwen can also be a great addition as she has her own powers and can provide support or be a source of conflict. Grandpa Max is another good character, with his experience and knowledge.

Ben Tennyson himself is a great choice. His ability to transform into different aliens offers a lot of potential for interesting interactions with the magic of Fairy Tail. For example, how would his Heatblast form interact with a fire - using mage from Fairy Tail? It could be a really cool dynamic.

Max Tennyson is a great character to include. He has a lot of wisdom and experience which can add depth to the story. He can be the one to give Ben and Gwen advice during their adventures. Another good character is Kevin Levin. His complex relationship with Ben and Gwen can create interesting plotlines, especially if there are conflicts or reconciliations involved.

Evie would be a great addition. She's Mal's best friend and can provide support and advice to Mal in her relationship with Ben. Also, Jay and Carlos from the Isle of the Lost gang are good choices. They can add some action and humor to the story.

Well, aside from the main trio, characters like Vilgax are often included. He's a powerful villain and can create a lot of conflict in the story. Grandpa Max is also a good character to add. His wisdom and experience can guide Ben in difficult situations. And then there are the aliens themselves. For example, Rath is a very popular alien form of Ben, and fans like to write stories that focus on his wild and unpredictable nature.

The Plumbers could be great characters to include. They could be helping Ben out in space battles, providing backup and useful technology. Characters like Max Tennyson among the Plumbers have a lot of experience and wisdom to offer in such situations.

Definitely Ben Tennyson himself. He's the main character and the one with the Omnitrix. His different alien forms like Heatblast, Four Arms, and XLR8 can add a lot of action and variety to the story.

Gwen is an obvious choice. She can bring her magic skills and her relationship with Ben to the story. Also, Grandpa Max, who has a lot of knowledge and experience that can be useful in the fanfic. Another good character could be Kevin, with his ability to absorb materials and his complex relationship with Ben.

Evie is a great character to include. She's Mal's best friend and has her own unique style and skills. Her knowledge of fashion could be used in a story, like if they need to create disguises or outfits for a special event in the fanfiction. Also, Jay could be included. His athleticism and thieving skills can add an element of action and adventure. He could be the one who steals a crucial item or gets them out of a tight spot.

There might be a 'Ben Ten Marvel Fanfic' where Ben meets the X - Men. Imagine Ben showing off his alien forms to the mutants. He could learn from Professor Xavier about controlling his powers better, while also teaching the X - Men some new combat techniques using his alien abilities. For example, Heatblast could help Iceman with his control over heat and cold in a new way.