Scarlet Witch During Avengers: Age of Ultron, there was a sense that the two strongest characters on the roster that fought Ultron were Thor and Hulk. But as it turned out, the team unknowingly included a much stronger character in the form of Scarlet Witch.
Thor is repeatedly vanquished by the 5 new Phoenix hosts over the course of 12 issues: Colossus, Namor, Cyclops, Magik, and Emma Frost. Colossus even manages to knock Mjolnir out of Thor's hands at one point, demonstrating the strength of Phoenix and why it should not be trifled with.
Thor. Blessed with the powers and long life of a god, Thor was undoubtedly the most powerful member of the initial version of the Avengers. Not only can he fly and transport between worlds, but he was also the only one capable of taking down Thanos, even after he had assembled all six Infinity Stones.
Determining the strongest Avenger in the MCU is tricky since each brings something unique to the table, and Thor and Hulk are the top contenders in terms of sheer physical strength. However, regarding versatility and range of abilities, Captain Marvel and Doctor Strange are formidable opponents.
1. Arishem. One of the Celestials, Arishem the Judge is a being of such immense power that humans can only vaguely grasp what he's actually capable of. Arishem is so powerful that he created the Eternals, a race of beings that, in and of themselves, are also incredibly powerful.
In the Infinity Conflict storyline, Astral Regulator Thanos defeated The One Above All. This was achieved by using the powerful artifacts of creation known as the Astral Regulators, which The One Above All created to prevent the universes from colliding with each other and causing destruction.
Based on the analysis of powers, speed, strength, durability, and combat, we can safely say that Odin is stronger than Thanos and outmatches him in almost every aspect. Thanos might be among the most feared villains in the Marvel Universe, but he comes nowhere near when compared to All-Father Odin.
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).
Steve RogersCaptain America
Recipient of the Super Soldier serum, World War II hero Steve Rogers fights for American ideals as one of the world's mightiest heroes and the leader of the Avengers. America's World War II Super-Soldier continues his fight in the present as an Avenger and untiring sentinel of liberty.
Thor is more powerful than Scarlet Witch and would win a fight against her in the comics and the MCU. Thor's powerset is objectively more versatile than Wanda's, and he is physically superior in every aspect.
Even without the Infinity Gauntlet, Thanos has proven himself to be a hugely powerful threat, often taking on entire teams of Avengers at once. However, it is with the Infinity Gauntlet that he can most consistently defeat the Avengers.
While Quicksilver is often thought of as the fastest of the Avengers, one hero fans know from the movies can actually outrace him when they need to. Many heroes possess enhanced speed, but Pietro Maximoff is generally considered Earth's fastest man (at least in Marvel Continuity).
In the aftermath of his failure, Thor had a new-found determination to kill Thanos and undo the Snap. The remaining Avengers converged on the Titan's home to find him wounded and the Infinity Stones destroyed. Seeking vengeance, Thor raised Stormbreaker and, with one fell swoop, beheaded Thanos.
Steve Rogers aka Captain America is the best example of someone who showed the bravery of a hero before they were a superhero.
The power of the Scarlet Witch against Thanos was on display in both Infinity War and Endgame. It was also acknowledged in WandaVision - she very nearly beat him. Now, having fully embraced her power as a witch and practitioner of chaos magic, it's clear - Wanda would destroy Thanos.
If you are talking about movies, Old Odin can be defeated by Surtur, Dormammu, Hela, Strange, Ancient One and IW Thanos. But Odin in his prime was undefeated, unchallenged throughout the nine realms and beyond. This is been confirmed by Hela, Loki, Frigga, Laufey and Thor.
Odin dies in one of the many battles that take place during Ragnarok, defeated and eaten by the wolf Fenrir. In Norse mythology, Ragnarok is an event that resembles the end of the world, but is something more. It is a series of events that prepare the world to be reborn - a cleansing, so to speak.
Storming the palace and sacrificing Asgardian lives, Odin stood between Hela and the throne. Unable to kill his own daughter, Odin defeated Hela and imprisoned her using his own power to keep her at bay in another realm for eons.