  We consider a model where the interaction between dark matter and the
Standard Model particles are mediated by a ghost-free bi-gravity portal. The
bi-gravity model invokes a massive spin-2 particle coupled to the usual
massless graviton as well as generic bi-metric matter couplings. The
cross-sections for dark matter direct detection are computed and confronted
with the experimental bounds. The presence of the massive spin-2 mediator
resolves the core-cusp problem, which in turn significantly constrains the dark
matter coupling in such a bi-gravity theory. Yet, there remains a window of the
parameter space where the model can be tested in the upcoming direct detection
experiments such as XENONnT and PandaX-30T. The model also predicts a reheating
temperature of the order of $10^6$ GeV.
