Black Adam wasrevealedas one of MultiVersus season ones fighters back in the summer, along with Gremlins baddie Stripe.
Player First Games are also introducing the new arcade mode with the 1.05 patch today.
Those last two difficulties pit your characters against three bosses, including their Nemesis Rival.

Player First say they’ll bring more features to arcade mode soon.
Born out of rage, now printed on a trading card.
Three new modifiers are being added for 2v2 matches in the Silly Queue initially.

you’re free to read the full patch notes for MultiVersus 1.05 updatehere.
MultiVersus is a free-to-play download fromSteamand theEpic Games Store.