Wanda was considered to be the Nexus Being of Earth-616, but there were still forces far more powerful than her. Perhaps the most obvious character that was more powerful than the Scarlet Witch was the One Above All, who acted as the "god" of the Marvel universe.
1) Thor. Thor, one of the most powerful Avengers in the MCU, is known for his incredible strength, lightning powers, and indestructible hammer Mjolnir. He is a formidable opponent, and in Avengers: Endgame, he wields Stormbreaker, a weapon that is even more powerful than Mjolnir.
Wanda Maximoff Is the Most Powerful MCU Character
Since its inception, the MCU has frequently introduced heroes and villains weaker than their comic book counterparts.
We rated the strength of each Avenger on a scale of 1 to 10, using evidence from the 23 movies. Scarlet Witch was ranked the strongest. Captain Marvel and Thor rounded out the top three.
Wanda Maximoff has never truly been defeated, only "losing" to the combined forces of Doctor Strange, Wong, and America Chavez after realizing the error in her ways. For a time, Wanda posed the greatest threat to the Multiverse, going on a violent rampage on Earth-838.
Thor could somewhat easily beat Wanda Maximoff, the Scarlet Witch, in a fight, and this is exactly how he would do it. Stormbreaker would be involved.
Although characters like Magneto and Storm can beat MCU's Wanda in a fight, Scarlet Witch's powers in the comics can only be compared to a handful of other Marvel characters. That short list includes Kevin MacTaggert, also known as Proteus, an energy-hungry mutant whose body cannot contain the amount of power he has.
Thanos is recognized as one of the most powerful characters in the MCU's Infinity Saga. As the only Avenger that proved capable of single-handedly defeating him, Wanda ranks easily as one of the most powerful Avengers.
This revelation sheds light on how Wanda uses her powers, and she needs her sense of sight to control her hexes. If there's one superhero who can totally beat her, it would be Spider-Man. Remember when the Webslinger covered his foe's entire face with his web? That is one of his signature moves!
DC & Marvel's Crossover Universe Made Hulk the Weakest Avenger - IMDb. The Hulk has been called the strongest Avenger given his unparalleled, planet-shattering strength, but within the 2099 future of Marvel and DC's crossover universe, the Hulk would be considered the weakest Avenger (for one specific reason).
Doctor Strange in the Multiverse of Madness proves without a shadow of a doubt that Wanda Maximoff, the Scarlet Witch, would and does beat Doctor Strange. Strange puts up a good fight, but it's not the good Doctor who stops Wanda.
Scarlet Witch's most important aspect in this fight is that she has the ability to defeat Superman. He is not impervious to magic, so her hits will damage him.
The Verdict: Scarlet Witch Is Stronger Than Captain Marvel
That said, Wanda has an edge due to Chaos Magic and her reality-warping abilities. Her telekinesis alone could nearly kill Thanos faster than Carol's punches. Now, as the Scarlet Witch, she doesn't even have to move objects with her mind to get what she wants.
Of the Avengers who can beat Scarlet Witch, Vision is one of the strongest contenders. With an Android created using the Mind Stone, Vision possesses a vast array of abilities that could potentially match Scarlet Witch's reality-warping powers.
The source of Wanda's unnatural abilities stem from a two-fold base; unparalleled mastery of actual magic and an innate power to warp reality. Due to exposure to mystic energies and forces at an early age, Wanda may reshape reality to various extremes.
Wanda is theoretically stronger than anyone. Her control of her power isn't absolute and sporadic and her emotional issues can cause her to really lose control.
However, things could go the other way around too, with the red superhero throwing Scarlet Witch off her game with his words and getting the best of her. That being said, the latter's powers are beyond the merc's control, so it's safe to say Wanda will take down Deadpool with The Darkhold.
Scarlet Witch
As a hero, she is absolutely more powerful than Doctor Strange, and most heroes and villains in the MCU — so with no holds barred, villainous and unhindered, there's no telling how powerful she will be.
While Odin is the god with the power originally. Odin knows magic just as well as Wanda does, shown through his enchantments, and some of his feats. Odin wins, unless he falls into the odinsleep.
However, Odin and Mjolnir may still have the last laugh since, by negating the spell, the Scarlet Witch could potentially remove the hammer's ability to grant its wielders Thor's power. So, while she could technically lift Mjolnir, Wanda might just end up turning Thor's mighty hammer into an extra-heavy paperweight!
Redditor u/megamindwriter points out, "Wanda broke Thanos' sword which is made from Uru, meaning she can also destroy Thor's hammer." Uru is a fictional metal that hails from Asgard, and it's ultimately what's used to create Mjolnir.
If we're talking MCU then hell no, Wanda would beat Loki low diff in any fight, they nerfed Loki in the comics so hard. And Wanda is basically Multiversal in the MCU so ya no sweat for Wanda.
Without question, the One Above All is the most powerful character in all of Marvel Comics. How do we know this? Well, the One Above All is literally God. The creator of every single being in existence, the One Above All is the ultimate force for good in all the multiverses.