MultiVersus codes are a way of getting free stuff in the newly relaunched 1.0 version of the free-to-play fighting game. It's had a pretty successful release, with 110k players jumping in on Steam to try new characters and kick some ass. If you're one of them, you might be interested in some free stuff you can redeem to use in the game.
As with most other free-to-play games, MultiVersus has codes you can use to get a variety of stuff, whether it's the premium currency of gleamium, fighter skins, or emotes. That said, there is a twist; the current MultiVersus launch code below is random and will only give you one of the listed rewards. Fingers crossed it's that Banana Guard skin. I'll add more codes to the list if they get released in future.
