Batman/Fortnite: Zero Point arrives in comic book stores and on participating digital platforms Tuesday, April 20, 2021. Subsequent issues will ship twice monthly beginning in May (May 4/May 18) and June (June 1/June 15), with a single issue concluding the series on July 6. Each issue sells for $4.99, with the card stock variant cover versions available for $5.99.
Each print issue of Batman/Fortnite: Zero Point will include a redeemable code for bonus DC-themed Fortnite digital items, inspired by the events in the comic, starting with the new Rebirth Harley Quinn Outfit. US Subscribers to DC UNIVERSE INFINITE will receive the series for free, including the bonus digital codes. Fans who redeem all six codes will also unlock a new Armored Batman Zero Outfit for their Fortnite character.
You can find more general info about the collaboration here - https://www.epicgames.com/fortnite/en-US/news/universes-collide-batman-fortnite-zero-point-new-limited-edition-comic-book-series-arrives-april-20