Looking for new MCOC codes? If you're excited to jump into this action game and play as your favorite superhero now that Marvel Contest of Champions is on Steam, you'll need some free rewards to give you the edge in battle. Here are the latest codes for free items including characters, revives, crystals, and more.It's worth noting that as well as these free codes for this fighting game, you can also claim daily and weekly rewards like crystals and gold through the online shop. Don't forget to check in for free goodies on top of all the latest codes we've listed for Marvel Contest of Champions below. Continue reading MCOC codes June 2025