The metaverse, powered by the convergence of augmented and virtual reality (AR/VR), artificial intelligence (AI), blockchain, digital twins, and next-generation networks (5G/6G), represents the next evolutionary phase of the internet (Web 4.0). The chapter conducts a comparative analysis of global and Turkish brand strategies in the metaverse, discusses the changes it brings to business processes, value-chain analysis, and organizational models, and identifies AI and explores the metaverse newly emerging professions at their point of intersection. This paper is mainly based on a qualitative content analysis of academic literature, industry reports and corporate case studies reveals a significant gap between comprehensive global implementations and market-oriented Turkish initiatives. The suggested AI & Metaverse Integration Model (five dimensions: Technology Layer, Integration, Value-Chain, Performance, Regulatory Factors) offers a strategic framework for the sustainable adoption. Policy recommendations for Turkey are provided to close the global-local divide.