An X-men that can adapt to any strength got so overwhelmed by their power, his conclusion was to teleport away and never fight them.
Who is the Hulk?
World War Hulk
They defeated Dormammu with an army of ghost squirrels.
Who is Squirrel Girl?
They were able to re-create spider sense and used it to defeat Spider-Man in Civil War.
Who is Iron Man?
they were created by M.O.D.O.K and (perhaps by accident) created Pym particles on one occasion.
Who is Jeff?
This duelist has a cat they named Liho which is Russian for "misfortune."
Who is Black Widow?
They were beat by a wooden gun in the 1978 Fantastic Four cartoon.
Who is Magneto?
This duelist defended their land from an invading army of Skrulls, single handedly defeating a super skrull specifically born to kill them.
Who is Black Panther?
This duelist is Sorceress Supreme of their Limbo dimension, where they beat strange in a one on one.
Who is Magik?
Avengers vs. X-Men #2
Their exoskeleton helped him absorb the blast from Ultron-Warlock.
Who is Rocket Raccoon?
This duelist was a member of Alpha Flight, The Avengers, The Defenders, The New Fantastic Four, X-Force, X-Men, and Weapon X.
Who is wolverine?
They played baseball against a group of human souls being possessed by demons in order to free them from their possession (he wins btw).
Who is Doctor Strange?
Strange (2009) #1
INVINCIBLE IRON MAN #3
This duelist was able to change their fighting style instantly, mid-fight, to beat MR.X (a mind reader) in an unarmed duel.
Who is Iron Fist?
Taskmaster is terrified of the, after they flew his plane into a building to get at him. He also hates cloning their fighting style, due to their habit of tanking hits rather than dodging them.
Who is Moon Knight?
They were Thanos' only friend, and at one point gave the infinity stones sentience.
Who is Adam Warlock?
They canonically had a race change. The fans loved her new design so much they kept the change.
Who is Psylocke?
They have Allspeak. Anything they hear is automatically translated for them and anything they says can be understood by a group.
Who is Thor?
Thor (Vol. 5) #1
This duelist beat a phoenix-force buffed Namor and fended off the Atlanteans in Avengers vs X-men.
Who is Scarlet Witch?
They killed all 350,000 inhabitants of a moon in order to stop the Fallen One (a herald of Galactus, similar to the Silver Surfer).
Who is Star Lord (Peter Quill)?
They were responsible for showing Deadpool he was in fact in a comic book.
Who is Loki?
This duelist gets corrected by Doctor Doom when it comes to Star Trek trivia.
Who is Spider-Man?
Marvel Adventure Continuity
In 1996's DC vs. Marvel, Batman noted that he "could beat him, but it would take a long time."
Who is Captain America?
This duelist went toe to toe with Ghost Rider and won, with some help in their arsenal as well as FULLY resisting Ghost Rider's penance stare.
Who is The Punisher?
They were involved in the torture of Wolverine and then later helped free him from his torture experiments.
Who is Winter Soldier?
They were skilled enough to take down Thor with a single strike.
Who is Mantis?
From Avengers, V1, #123
Other abilities include: Telepathy, Empathy, Astral Projection, Botanopathy, Pyrokinesis, Precognition, Superhuman Durability, Regeneration, Cloaking, and is a master martial artist.
This duelist was a member of the Illuminati, the others being Iron Man, Black Bolt, Doctor Strange, Professor X, and Reed Richards.
Who is Namor?