: This mod allows you to add custom characters without replacing the original roster. Official Store Links
While the full base game is not legally free, there are specific "free" components and community-driven versions you may find online: Legally Free Content & Services Ultimate Marvel vs Capcom 3 Free Download
The fighting game community has developed free mods and "Community Editions" that require you to own the base game files to function legally: : This mod allows you to add custom
: A popular mod that adds over 60 additional characters. Tutorials for installation on PC and Steam Deck typically require a zip file extraction and specific launch options. Ultimate Marvel vs Capcom 3 Free Download