You can view the full list of dates and locations for the Magic: The Gathering | Marvel Super Heroes events mentioned above in the original article from WotC.
This is just the first of them
A Wicked Slumber creeps through the land of Eldraine, turning Magics beloved fairy tale world into something more
6th Rank: Kaito, Bane of Nightmares One of the newest toys of Dimir decks, it provides utility both in its expected color identity effect, raw accumulating power of his loyalty abilities, plus its latest gimmick for the tried and tested creature/planeswalker dual modes
5 - Rocket's Mewtwo ex (Scarlet/Violet: Glory of the Team Rocket - Secret Illustration Rare - 125/98) This card, illustrated by Iwamoto05 , was their third work for the Pokmon Company
Delibird (Wisdom of Sea and Sky) is not available in Rare Packs