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We investigate Poisson-Lie duals of the $\eta$-deformed $\mathrm{AdS}_2\times \mathrm{S}^2 \times \mathrm{T}^6$ superstring. The $\eta$-deformedbackground satisfies a generalisation of the type II supergravity equations. Wediscuss three Poisson-Lie duals, with respect to (i) the full$\mathfrak{psu}(1,1|2)$ superalgebra, (ii) the full bosonic subalgebra and(iii) the Cartan subalgebra, for which the corresponding backgrounds areexpected to satisfy the standard type II supergravity equations. The metricsand B-fields for the first two cases are the same and given by an analyticcontinuation of the $\lambda$-deformed model on $\mathrm{AdS}_2 \times\mathrm{S}^2 \times \mathrm{T}^6$ with the torus undeformed. However, the RRfluxes and dilaton will differ. Focusing on the second case we explicitlyderive the background and show agreement with an analytic continuation of aknown embedding of the $\lambda$-deformed model on $\mathrm{AdS}_2 \times\mathrm{S}^2$ in type II supergravity.

Poisson-Lie duals of the $\eta$-deformed $\mathrm{AdS}_2 \times \mathrm{S}^2 \times \mathrm{T}^6$ superstring