Avengers from across the Marvel Multiverse will battle a Thanos "that won."
The overhaul will also include giving the revamped hotel a dedicated entrance into Disney California Adventure.
You could do worse for $113 per night near Disneyland, but don't expect anything amazing.
Bob Chapek's memo addressing criticism of the company's silence on the bill drew only more criticism.
"World of Color" and "Disneyland Forever" will also return on the same date.
Existing Mickey's Toontown attractions will be closed after March 8.
"Tale of the Lion King" originally ran during summer 2019 at Disney California Adventure, but is now moving to Disneyland.