In a multi-fold universe, gravity emerges from Entanglement through the multi-fold mechanisms. As a result, gravity-like effects appear in between entangled particles, whether they be real or virtual. Long range, massless gravity results from entanglement of massless virtual particles. Entanglement of massive virtual particles leads to massive gravity contributions at very smalls scales. Multi-folds mechanisms also result into a spacetime that is discrete, with a random walk fractal structure, and non-commutative geometry, that is Lorentz invariant and where spacetime nodes and particles can be modeled with microscopic black holes. All these recover General Relativity (GR) at large scales and semi-classical model remain valid till smaller scale than usually expected. Gravity can therefore be added to the Standard Model resulting into what we define as the SMG., the Standard Model (SM) with gravity non-negligible at its scales. This can contribute to resolving several open issues with the SM, and the Standard Cosmological Model, without new Physics other than gravity. Over the last 20 years, a set of papers have introduced studies that indicate that gravity appears to be the dual of a suitable squared gauge theory: the double copy duality. This property appears through multiple order of perturbations, and multiple loop, and it is conjectured to extend through any order. In this short note, we explain how such a results is actually directly, and globally, i.e. not only perturbatively, or, in other words, to any order, explained by the multi-fold mechanisms behind gravity and entanglement along with the underlying spin-2 symmetry. It physically, and microscopically explains both the double copy duality, and its validity to any order. The results holds for massless gravity and for massive multi-fold gravity.