We can define the period we are living in as the last step of Society 5.0 (Super Intelligent Society) dominated by unmanned technologies and the first step of Society 6.0 Ecological Revolution Super Information Society. In the last step of 5.0, the new online lifestyle with the Internet of Things, interfaces, big data, robotics stages, the Digital Big Bang: Metaverse! takes place in our lives day by day. Today, humanity is faced with many problems that disrupt the ecological balance such as climate change, environmental pollution, radioactive pollution, industrial wastes, unplanned urbanization, which can be described as negative actions that lay the foundations of the Society 6.0 Ecological Revolution Super Information Society. Undoubtedly, one of the most important of these problems is the negative change in our understanding of ethics. There is an active role for science in the development of digital technologies, but there is also a need for an active role for social sciences in determining the cultural, sociological and psychological effects of technologies on individuals. With the Culture Metaverse to be established in the new digital life metaverse, it is possible to remind people of the ethical values that humanity has forgotten, to determine the ethical rules to be followed in the universes where humanity will pass with prototype avatars, in the colorful lives they will lead, in brand new experiences, and to create a digital ethical plane. The definition, content and function of culture within the research area of folklore discipline; cultural drilling, comparing different cultures, analysis and synthesis. In this respect, in this new digital structuring where the cultural ergonomics process will be experienced, designing a metaverse with cultural content is within the research areas of folklore discipline and folklorists. For this reason, there will be a great need for Turkish folklorists in the trained staff who will structure the Turkish Culture Metaverse. In this study, the concept of Digital Big Bang: Metaverse! The concept is examined with the synthesis of science and social sciences with the Folkloric Metaethical Theory, which I put forward with interdisciplinarity in the fields of folklore and metaethics, and the method of analysis of my theory, the Folkloric Grounding Metaethical Analysis Method. The positive/negative effects of the concept of metaverse (beyond the universe) were investigated. Based on the universal ethical philosophy of the Book of Dede Korkut, the culture metaverse was designed and the name “metaethicalverse”, which I gave to the ethical understanding of the culture metaverse, was exemplified by how to define the designed metaverse with the ethical code of Dede Korkut. Different concepts and designs of the Dede Korkut Culture Metaverse are presented. Our study, as the first study to examine the metaverse from a folkloric perspective, aims to address the disciplines of folklore and ethics at the metaethical level and to adapt them to digital universes, to interpret Dede Korkut’s ethical philosophy with a universal perspective and to reconstruct it in the metaverse environment, and to draw attention to the new goals to be achieved by folklorists who will undertake the role of the quarterback of the digital age.