The Mandarin - Considered by many to be Iron Man's greatest foe, the Mandarin is a Chinese nobleman, scientist and former diplomat turned criminal mastermind. His true power comes from his superhuman mastery of the martial arts and ten rings of power he recovered from an alien spaceship.
Obadiah Stane - A businessman and a rival of Tony Stark, at one point he took over Stark Enterprises after Tony Stark succumbed to alcoholism.
The Mandarin is a supervillain appearing in American comic books published by Marvel Comics. He is the archenemy of Iron Man. The character was created by Stan Lee and designed by Don Heck, first appearing in Tales of Suspense #50 (Feb. 1964).
Given his mastery of the magical arts, it would make Doctor Fate a tough opponent for Iron Man, whose technology-based weaponry would be ineffective against his magical defenses. Moreover, with his vast mystical powers and abilities, Doctor Fate could quickly neutralize Tony Stark and take him down in battle.
Hulk has traditionally been seen as the strongest Avenger physically — and for good reason, though he's been subdued by both Iron Man and Thor.
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.
The Leader (Samuel Sterns) is a a supervillain appearing in Marvel Comics, created by writer Stan Lee and artist Steve Ditko as the archenemy of the Hulk.
Years ago, Thor's arch-enemy Loki discovered the Destroyer Armor and over the years he's tricked different people into inhabiting it and combating the god of thunder.
Thor beat Iron Man easily. Iron Man was basically powerless against the God of Thunder. Thor stopped short of beating Iron Man to death, but he made sure that Iron Man knew that there was nothing he could do to Thor if Thor pressed the issue.
The most powerful Hulk villains in Marvel Comics include classic foes like Abomination and The Leader and obscure ones like Xemnu.
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.
Captain America is physically stronger than Iron Man, whether with his suit or not.
The Norman version of the Green Goblin is usually regarded as Spider-Man's archenemy.
Biography. Tony Stark's best friend, James Rhodes , is one of the few to wear the Iron Man armor, other than Tony Stark himself. Although he initially took on the role when Stark was dealing with his demons, Rhodes has reprised the role over the years.
A mercenary for hire, he played an important role in the series Deadpool; T-Ray served to remind Wade Wilson, also known as Deadpool, what a failure he was. He is Deadpool's archenemy for many issues and almost everything that happened to Deadpool was a part of an elaborate plan orchestrated by T-Ray.
Every great hero has an arch nemesis. And for the Black Panther, that man is Erik Killmonger. A fierce and cunning warrior who thinks of himself as a more capable and courageous than T'Challa, Killmonger has opposed the King of Wakanda almost constantly.
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.
Other Marvel characters have lifted Mjolnir not through worthiness but through technicalities such as absorbing Thor's powers, including the Air-Walker, Awesome Android, Magneto, Rogue, Wonder Man, and Doctor Doom.
He creates time travel, and the Avengers successfully restore trillions of lives across the universe. However, Stark inevitably sacrifices his life to defeat Thanos and his army.
Iron Man defeated Loki, quite one-sidedly 87-18, Looks like fan sentiment overcame Loki's magic.
Thor is great at close-range combat, too, which is one of Wanda's weak points. Captain Marvel and Captain Carter were able to get in a few blows before succumbing to the Scarlet Witch, and that is because they got close enough to her to do it.