Remnants of each reality formed a "House" which was ruled by a "Baron", all of whom were alternate takes on existing Marvel character (such as Gwen Stacy, who took on the role of Madame Web, or Shuri, who became Queen of Wakanda).

Players controlled original characters who were members of each House's special fighting force, such as "Sorcerers Supreme" or "Web-Warriors".

He states that Maestro has kept their rivalries in check as he proposes that they can shape the upcoming conflict into something that they can control as he quotes "If fighting a secret war will prevent an open one, I'm game".

The tie-in web series Marvel Realm of Champions: Elegy, which concluded the game, has the news reporter Anathi of Wakanda investigating the death of Maestro.

When she combs Maestro's palace for clues, she is confronted by Stark Prime, Madame Web, Skaar, President Carter, Stephen Strange, War Thor, Queen Shuri, and Apocalypse.

Taken into the past by Stephen Strange using a spell, Anathi is shown that the Barons were originally supposed to combine their powers and apprehend Maestro.

Players control a fighter for one of the Houses, who are named in honor of a legacy character (such as Hulk, Storm or Black Panther).

Zach Guida of Hardcore Droid complimented the quick matchmaking and the short duration of the matches, giving the game 4 stars out of 5.

[6] In a mid-2021 review that followed several game updates, Alex Sinclair Lack of MobileGames.com complimented the addition of Thor as a new character and cinematics which added actual story content, but also noticed that the lack of new game modes made the short matches feel very repetitive, while visuals of the hero abilities were disappointing, and the graphics were below industry average.