Many game modes, such as Back Issues (Variants) or special Arenas , specifically require low-rarity champions (1-star to 4-star).
When you sell a Champion, the payout depends entirely on their and Rank . You do not get real-world currency or Units. You get basic progression items. how to sell champions on marvel contest of champions
Here is the , including what you can do, why you shouldn't, and the one exception. Many game modes, such as Back Issues (Variants)
Kabam removed this feature for several strategic reasons aimed at protecting player progression: Roster Requirements You get basic progression items
Years ago, the game had a different economy. Gold was scarce, and ISO-8 was expensive. To manage resources, the game allowed you to "Sell" a Champion.
: The removal also protects players from "roster nuking" in the event of an account compromise, where an intruder could otherwise delete a player's hard-earned progress. Better Alternatives for Resources
⚔️ You’ll need those 1* and 2* champs for specific Variant quests and special Arena events.