UPDATE 9PM UK: Assassin’s Creed Valhalla is the full name of Ubisoft’s Viking-set entry in the series.
A full world premiere for the game will be revealed tomorrow, Thursday 30th April, at 4pm UK time.
Today’s Assassin’s Creed art livestream has revealed Valhalla as a Viking adventure (surprise surprise!) with an interesting pair of locations.
Source: Eurogamer Assassin's Creed Valhalla name and location revealed