MultiVersus has continuously updated its character roster and map selections since the games initial release back in 2022. Like other crossover fighting games, MultiVersus has drawn inspiration from Warner Bros.' wide variety of properties, not just for its character roster, but when theming its various maps. Leaks of the games latest maps allege that MultiVersus will continue to add more Warner Bros. properties to the game outside of franchises already present on its character roster.