Rockstar Games has yet to officially set a release date for Red Dead Redemption 2 but a Danish retailer has now listed the release date for Red Dead Redemption 2. This might not be unusual since online retailers keep putting a placeholder date for the upcoming games but the important thing to mention here is that track record for this retailer. This is the same retailer that leaked the release date for Grand Theft Auto V for the PS4 and Xbox One before Rockstar Games had confirmed an official release date for it.
The listed release date for Red Dead Redemption 2 puts its release on June 8th, 2018. This fits in the Summer 2018 release window for Rockstar Games.
Red Dead Redemption 2 is the next game in the series that is currently confirmed for the PS4 and Xbox One. It is also the first major project from Rockstar Games after the release of Grand Theft Auto V back in 2013. The game is a sequel to the original Red Dead Redemption, which itself was a sequel to Red Dead Revolver although without any story elements from its predecessor.
Red Dead Redemption 2 was originally set to launch in Fall 2018 but the release date was pushed to Summer 2018. The game is currently only confirmed for the PS4 and Xbox One although judging from the track record of Rockstar Games, there is always the chance that it might launch at a later date for the PC.