According to Insider Gaming, Dead Space is coming to Fortnite around the same time that the Dead Space remake launches.
According to the leak, the collab will start on January 23rd, 2023. This is four days before the launch of the Dead Space remake on January 27th, 2023. The event will apparently be one of the first major collaborations in 2023 from Fortnite and acts as one of the upcoming unconfirmed crossovers. We already know that the likes of the Doom Slayer, The Witcher, The Hulk, and Mr. Beast are all going to be in the game. There's even a rumored upcoming Doctor Who collab, although according to reputable Fortnite leaker FNBRIntel it's still several months away.
Fortnite Chapter 4 started earlier this month, and according to several sources Fortnite Chapter 4 Season, 2 is scheduled to start March 11th. It's apparently got wall running and new movement mechanics!