Fortnite is never without its summer event, but this year’s sunny celebration has a special focus: DC Comics. Hot Bat Summer is the official name of the weeks-long event, which runs for five weeks starting on July 16. It includes a new Batman Sprite, the return of the grapnel gun, new Shiny Hours, and lots of free cosmetics.  Perhaps the highlight, however, is the foursome of new swimsuit skins for the DC Comics lineup. Mirroring Marvel Rivals’ penchant for nearly…