: Many game modes, such as Back Issues (Variants) and special Arenas , specifically require low-rarity champions (1-star to 4-star) for completion.
: Many special events, arenas, and side quests now require specific star-level versions of champions. Players who sold lower-tier champions found themselves locked out of high-reward content. Duplicate Value
because the game developer, Kabam, permanently disabled this feature on May 3, 2021 . If you are looking for ways to declutter your roster or exchange lower-tier champions for resources, you must instead rely on the game's automatic duplication mechanism , which offers much higher long-term value.
Note: You cannot sell a champion currently assigned to a defense team in Alliance War. What You Get When You Sell how to sell champions on marvel contest of champions
While you cannot sell the champions themselves, you can still exchange other redundant items for resources: Bring back the Option to Sell Champions
[ New Crystal Pull ] │ ├─► If New: Adds to your Roster Baseline Total │ └─► If Owned (Dupe): Automatically Awards ISO-8 + Higher-Tier Shards + Sig Levels
If you are looking to get better champions, focusing on completing event quests for 6-star shards is a much better use of your time. : Many game modes, such as Back Issues
While players used to trade in lower-rarity heroes for meager amounts of gold and crystal shards, this mechanism was officially disabled.
Selling champions on MCOC is a relatively straightforward process. Here's a step-by-step guide:
Here is a general snapshot of the current (May 2026) landscape to help guide your decisions. What You Get When You Sell While you
However, you should be aware that . While many players use these services, you are putting your account at high risk of being permanently banned. Furthermore, there is always the risk of being scammed by buyers or the marketplace itself.
For years, the "sell champion" option served as a notorious trap for newer players. Summoners would frequently liquidate their 2-star, 3-star, or 4-star heroes just to scratch together enough shards to buy a single higher-tier crystal.
. While veterans may remember a time when clearing out low-tier heroes for immediate resources was possible, the modern state of the game completely restricts character selling.