In the current version of Marvel Contest of Champions (MCOC) cannot sell champions
Special Event Items: Occasionally, specific event items (like certain "deathless pieces") can be sold for unique currencies.
How to Sell Champions in Marvel Contest of Champions In the early days of Marvel Contest of Champions (MCOC), "selling" your champions was a common practice for Summoners looking to scrape together extra Gold or ISO-8. However, as the game has evolved, the developers at Kabam have made significant changes to this mechanic. how to sell champions on marvel contest of champions
Duplicate Benefits: You get much better rewards (ISO-8, Gold, and Shards) by duplicating a Champion through crystals than you ever did by selling them.
Roster Depth: Many quests now require specific rarities (like 1-star or 2-star) that players previously sold off. In the current version of Marvel Contest of
Duplicate Benefits: Pulling a "dupe" (a champion you already own) is far more valuable than selling. It grants: ISO-8 for leveling up other heroes. Crystal Shards to unlock higher-tier champions. Signature Ability levels for the champion.
Kabam removed the "Sell" button to prevent several recurring issues: Accidental Progression Loss: Duplicate Benefits: You get much better rewards (ISO-8,
What you receive when selling
Content Requirements: Many game modes, such as Back Issues (Variants) or special Arenas, specifically require low-rarity champions (1-star to 4-star).