Sups because Cap could get ultimately beat up by him.
Iron Man because Cyborg get owned by him, and more good choose for Tony is Batman.
Wonder Woman due by that one time she was have Thor’s hammer.
Deadpool by making the fourth wall breaks that ultimately get Deathstroke ran away.
Magneto the Mutant Malcom X with his powers of magnetism, The Joker would have no time for him.
Darkseid no question asked, because also that one time were he did beat up Thanos and wore the Infinity Gauntlet.
Green Lantern because Doctor Strange rather fight with Doctor Fate then face some Crops that might be a good match for the Nova Crop.
Marvel Characters because that got Spidey.