The greatest and most challenging foe Loki has faced is perhaps his own brother, Thor. While the two were raised as siblings by Odin, envy drove Loki's desire to overthrow Thor., Loki is frequently defeated by the god of thunder, but is never discouraged from persevering in his efforts.
Thor and Loki are epically powerful gods from the Norse-inspired realm of Asgard, both powered by humanity's belief in them, but it is often shown that the God of Thunder Thor is much more "powerful" than his sibling Loki.
Avengers #65 revealed how Loki became Avenger Prime, the most powerful hero ever in Marvel Comics.
Loki would win in a fight against Captain America. This is because the God of Mischief is stronger, faster, more durable, and more intelligent than Captain America. It would, however, be a close call in Loki's favor because Cap's willpower wouldn't allow him to give in even when Loki has the upper hand.
Iron Man defeated Loki, quite one-sidedly 87-18, Looks like fan sentiment overcame Loki's magic.
1 Thanos Always Beats Asgardians, Including Loki
Loki's tricks work against many but not against Thanos. In a battle of wills, Thanos is always going to win against Loki. In a physical battle, Loki can't stand up to Thanos either.
Loki regards the Hulk as a danger to society, and, because the God of Mischief is attempting a heel-face turn in order to become a hero, he decides to defeat the Hulk. Of course, even despite his Asgardian strength, Loki is no match for the Hulk so he doesn't bother using his strength to subdue the beast.
Loki could trick Aquaman, but it's only a waiting game since he doesn't have anything to keep the latter down. Aquaman will be getting back up each time and he has far too much strength on his side for Loki to keep defending against. If an aquatic backdrop is added, then Aquaman wins within seconds.
2 Spider-Man Has Beaten Loki In An Unconventional Way
Spider-Man has fought some of the most dangerous foes out there, but his battle with Loki was one of his most unconventional. He tried to fight Loki like he normally would but this was pretty hopeless, as Loki is Spider-Man's superior in every way.
Loki and Thor are both gods and have immense godly powers that make them somewhat impervious to harm, though they can be beaten; they can lose eyes (Thor) and they can die (Loki). If the metric is physical strength, then Thor is easily the winner.
Thanos. Perhaps the Avengers villain that MCU fans are most familiar with, Thanos's motivations in the comics are slightly different, but his power remains a constant. He's a true force to be reckoned with, and one that inspires a legion of his own that also has to be contended with.
Captain Marvel is the most powerful and powerful Avenger in the Marvel Cinematic Universe (MCU). Her incredible powers and determination have made her a valuable member of the Avengers.
1. Thanos (Avengers: Infinity War, Avengers: Endgame)
Loki – Thor's archenemy and adoptive brother. The son of Laufey, ruler of the Frost Giants of Jotunheim, one of the "Nine Worlds" of the Asgardian cosmology. He is a master of spellcasting and trickery. Lorelei – The sister of Amora the Enchantress, who possesses some skills in Asgardian magic and seduction.
Loki possesses strength, durability, and longevity far superior to humans. The most powerful sorcerer in all of Asgard, Loki's magical abilities include astral projection, shape-shifting, hypnosis, molecular rearrangement, energy blasts, levitating, conjuration, cryokinesis, telekinesis and teleportation.
Loki without his precious mind stone is weak compated to the Black Panther. Black Panther is a more trained fighter and won't be damaged easily. Add this to the fact that loki's strenght is planning his actions to gain power (by becoming ruler of Asgard or Earth).
Before the opening title even appeared, several well-known characters met their demise, including Loki. While behind the scenes of the shoot was more lighthearted, on-screen fans were heartbroken. Thanos kills Loki brutally and tragically while Thor helplessly watches.
Loki's greatest weakness is that he doesn't always think things through. His mischief makes enemies, and Sif never forgives him for the prank he played with her hair. In his anger over being imprisoned, he offers the dark elf Kurse information, which leads to his mother's death.
While Goku is certainly stronger and more skilled than Scarlet Witch, he can't really match any of her powers.
4 FLASH WOULD BEAT: Loki
Loki constantly uses his magical background to either aid or ail his brother, more often the former. Loki's cunning mind is one of his most powerful assets, but facing off against someone who is able to move faster than he could think would put him at a disadvantage.
Loki is a god, or near immortal deity. He far and away outclasses Deadpool.
Joker. They are matched in emotional damage, dangerous mischief, and genius-level criminal mastery, but they are unmatched in fighting ability and training in the mystic arts, of which Loki has the best advantage.
Loki Laufeyson is a Variant of Loki who murdered his adoptive brother Thor. He was subsequently arrested by the Time Variance Authority, who pruned his timeline and exiled him to the Void, where he became a ruler and befriended alternate versions of himself.
Loki (Tom Hiddleston) and Doctor Strange have very different forms of magic, which makes comparing them somewhat difficult, but in the end, Loki takes the crown with his mischievous skills and 1500 years of experience.
Despite being ranked higher in the Marvel Cinematic Universe, Loki could not stand up to Ultron in the comics. In a way, this defeat is one of the worst fates that can be imagined for the Asgardian.