You receive a batch of ISO-8 matching the champion’s class.
The champion’s Signature Ability is unlocked or leveled up.
The developers phased out the sell button for three primary reasons. First, players often regretted selling lower-tier champions that later became necessary for specific "Variant" difficulty quests or synergy bonuses. Second, accidental sales of high-tier heroes led to massive frustration and support tickets. Finally, the game introduced the "Duplicate" (Awakening) system, which provides better rewards automatically. How to Get Rid of Extra Champions Automatically how to sell champions on marvel contest of champions
The short answer is: you can no longer manually sell individual champions in Marvel Contest of Champions.
Even if you don't use a certain champion, keeping them in your roster increases your Total Base Hero Rating. This rating is a badge of progress and can make you more attractive to high-level Alliances. Common Misconceptions You receive a batch of ISO-8 matching the champion’s class
You earn shards for the next rarity tier (e.g., duplicating a 3-star gives you 4-star shards). You receive a significant amount of Gold. Better Ways to Manage Your Roster
Some players confuse "Selling" with "Exchanging." While you can’t sell heroes, you can occasionally trade in certain Catalysts or Rank-Up materials in the "Store" tab under the "Resources" section. Always check the "Black ISO Market" if you have the Summoner's Sigil active, as this allows for some inventory trading. How to Get Rid of Extra Champions Automatically
Since you can’t manually delete them, the game handles "extra" champions through the Duplication system. When you pull a champion from a crystal that you already own, several things happen automatically:
The Arena is the best source of Gold and Units. By using your lower-tier champions (the ones you likely wanted to sell) to run streaks in the 1-star or 2-star arenas, you earn Battle Chips. These can be traded for Arena Crystals, which contain massive amounts of Gold. 2. Questing and Incursions