We found a way to get the deal for everyone in Canada apparently.
Diablo® IV - Ultimate Edition for Xbox One / Xbox Series X|S (Digital) $40.3+tax (70% OFF) Early Access today!
Price:40.3Savings:70% offExpiry:June 2, 2023
Please follow the steps:
1. Go to Xbox store and purchase the Diablo® IV - Standard Edition $89.99+tax
Diablo® IV is the ultimate action RPG experience. Available now on Xbox.
www.xbox.com
2. If you have Standard Edition in your Library, you will see Diablo® IV - Ultimate Edition version has a 70% off deal label.
3. Purchase the $40.3 Ultimate Edition
Diablo® IV is the next-gen action RPG experience with endless evil to slaughter, countless abilities to master, nightmarish Dungeons, and legendary loot. This is only the beginning for Diablo® IV, with new events, stories, seasons, rewards, and more looming on the horizon.
www.xbox.com
4. Go to Microsoft Account - Payment & Billing - Order history and find the Diablo® IV - Standard Edition order, click "Cancel" to cancel the order. Canceling a Pre-order will get an instant refund.
This is not an "upgrade" purchase as the $40.3 Ultimate version is a full bundle also has the base game.