What happens to my Fortnite Crew if I subscribe to Game Pass Ultimate on Xbox?

If you already have a Fortnite Crew subscription on Xbox console or Xbox on PC, and you're an Xbox Game Pass Ultimate subscriber, your Fortnite Crew subscription will be automatically canceled. You'll continue to enjoy Fortnite Crew through your Xbox Game Pass Ultimate subscription benefit.

For more information about Fortnite Crew with Xbox Game Pass please visit this FAQ from the Xbox's support page (Opens in a new tab)