According to Fortnites official Twitter profile, the coveted Red Knight Skin is coming to the games item shop. Though the exact time of the release has not been disclosed, but its some time tomorrow.
Since this skin is said to be one of the rarest in the game, a price tag of at least 2000 V-Bucks can be expected for the skin. The return though has sparked a bit of controversy.
Source: N4G PC Fortnite: Red Knights Return Sparks Controversy