More than 30 partners are confirmed with "events, activities and updates" for fans planned. Even more are still to be announced.
MultiVersus' closed alpha has kicked off and will go until May 27, while over 30 minutes of new gameplay footage have also been released.
Taz the Tasmanian Devil, Velma, and The Iron Giant will also join the platform fighter's roster, which will receive its open beta in a couple of months.
Evil Dead: The Game was the only major debut this week in the region with 79 percent of sales on PlayStation (56 percent on PS5).
Elden Ring was the second best-selling title in the US for April and remains the best-selling title of the year to date.
The closed alpha will be available till May 29th and features 13 playable characters with four modes across seven stages.
Player First Games' Tony Huynh and Daniel Kraft will face off with two "special guests" in three matches along with revealing new information.
Following the upcoming platform fighter's recent closed play test, nearly five minutes of gameplay footage have leaked.
A recent datamine of the MultiVersus tech test unearthed roughly two hours' worth of voice lines, potentially revealing several characters in the game's roster.
WB Games' upcoming free-to-play crossover platform fighter has opened up pre-registrations for its imminent tech test.
It's coming to Xbox One, Xbox Series X/S, PS4, PS5 and PC with fighters like Shaggy, Tom and Jerry, Batman, Harley Quinn, Arya Stark and more.
Capcom, Take Two Interactive and Warner Bros. Games also on the schedule. The PC Gaming Show and Future Games Show are returning as well.