It really depends on how the author writes it. If the fanfic focuses on Anakin's potential and his growth beyond what we saw in the movies, he could win. For example, if he has fully mastered some new form of lightsaber combat or Force ability.
It really depends on how you write it. If it's Anakin at his peak before turning to the dark side, he has a lot of raw power and potential. But Vader has years of experience as a Sith Lord. So, it could go either way.
In my opinion, if the Avengers were to win in an 'avengers vs darth vader fanfic', it would be through teamwork. They would need to combine their powers effectively. For example, Doctor Strange could use his magic to counter Vader's Force powers while the others engage in physical combat. But Darth Vader is not to be underestimated. His combat experience and his ability to use the Force for both offense and defense are remarkable. If he were to win, it would likely be by isolating the Avengers and taking them out one by one. So, again, it's a very uncertain outcome.
In some fanfics, there might be a plotline where Palpatine tries to corrupt Anakin even further during the battle, using psychological warfare. Anakin, on the other hand, has to resist this while also fighting for his life. This adds a layer of psychological drama to the physical fight between them.
Anakin is likely to win. He has the power of the Force on his side. He can anticipate Clovis's moves, dodge attacks, and launch powerful counter - attacks. Clovis doesn't have any supernatural abilities like Anakin. Even if Clovis tries to use his wealth or political connections against Anakin, Anakin can use the Force to find a way around those obstacles. His training as a Jedi gives him the discipline and combat expertise that Clovis lacks.
It's really hard to say. Naruto has the power of the Nine - Tails and years of combat experience. But Boruto is young and full of surprises. He has his own unique skills. I think it could be a tie. They both have strong wills and would not want to seriously harm each other.
Pikachu would probably win. It has been with Ash from the very beginning and has a lot of battle experience. Also, Pikachu has shown that it can adapt to different battle situations quickly. Ash's Pokemon are strong, but Pikachu's speed and electric attacks are hard to counter. It could use its speed to dodge attacks and then quickly strike back with a powerful Thunderbolt or Volt Tackle.
It's hard to say for sure. If Lex Luthor in the fanfiction has access to some sort of kryptonite - like weapon or technology that can disrupt Iron Man's suit, he might have a chance. But overall, Iron Man has a lot of experience in combat situations. He's faced off against some really tough foes. Luthor is more of a behind - the - scenes manipulator. So, I'd still give the edge to Iron Man most of the time.
It's really hard to say. Naruto has his incredible stamina and the Rasengan, which is a very powerful jutsu. But Sasuke has the Sharingan which gives him an edge in combat. However, if Naruto has been training hard and has some new tricks up his sleeve, he could potentially win. But Sasuke's determination and natural talent also make him a strong contender. So it could go either way depending on how the author writes it.
It's really hard to say. Harry has his natural talent and the power of love on his side. But Snape is a very skilled wizard with a lot of experience. If it's a fair fight in an open area, Harry might have a chance because of his quick reflexes and ability to think on his feet. However, Snape could use his knowledge of the Dark Arts and his sneaky tactics to gain an upper hand.
It's hard to say. Deadpool has his regenerative abilities and combat skills. But Carnage is extremely powerful. I think it could go either way depending on the plot twists.