During the Hidden Inventory Arc, Gojo fought Toji Fushigoro to protect Amanai from getting assassinated. During this fight, Gojo considered Toji Fushigoro dead after using the cursed technique Blue.

From here onwards, Gojo versus Sukuna round 2 is inevitable. Fans know that this fight is going to be incredibly exciting, but it is going to be very different from their first fight in the story.