As a subject matter expert on Marvel comics, I can provide an analysis of who might be considered the most powerful character within the Marvel Universe. It's important to note that power levels in comic books can be subjective and are often influenced by the narrative needs of the story. However, there are a few characters who are consistently depicted as being incredibly powerful.

One of the most powerful characters is Thanos with the Infinity Gauntlet. When he wields all six Infinity Stones, he has near-omnipotent power, being able to manipulate time, space, reality, souls, minds, and power itself.

Another contender is Doctor Strange when he's using the Time Stone or when he's in his Sorcerer Supreme form, which allows him to wield immense magical power and even travel through time.

Phoenix Force, particularly when hosted by characters like Jean Grey, is also an incredibly powerful entity, with the power of creation and destruction on a universal scale.

Galactus, a cosmic entity, is often considered one of the most powerful beings in the universe, with the power to consume and create entire worlds.

Lastly, The Living Tribunal is a nearly omnipotent being that exists outside of the Marvel Multiverse and is tasked with maintaining the balance of the multiverse.

It's also worth mentioning that power can be relative and context-dependent. For example, Captain Universe, when possessed by a host, can have immense power, and Thor, especially when he's tapping into the power of Odinforce or Stormbreaker, can be incredibly potent.

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Here is a list of 16 most powerful characters in the Marvel Universe.Vulcan. Vulcan is the brother of Scott Summers and Ales Summers both mutants however unlike them he is an omega level mutant. ... Skaar. Skaar is the son of The Hulk in an alternate reality. ... Odin. ... Hercules. ... Grandmaster. ... Galactus. ... Magus. ... Mikaboshi.More items...read more >>