Minecraft Dungeons DLC release date news and free Nether update ( Game News)
Much of what is being prepared, will be part of the paid content coming with the Nether update, following on from the Jungle Awakens, Creeping Winter, and Howling Peaks expansions
According to developers Mojang, Minecraft Dungeons Nether DLC will arrive on Wednesday, February 24
When the Flames of Nether does arrive on February 24, the DLC will be available for $5.99 USD, and is also included as the second DLC, for those that own the Minecraft Dungeons Season Pass
Source
Wait, I thought the dlc was free…..sad