N = 2 W Supergravity

We quantize the classical gauge theory of N = 2 w∞ supergravity and show how the underlying N = 2 super-w∞ algebra gets deformed into an N = 2 super-W∞ algebra. Both algebras contain the N = 2 super-Virasoro algebra as a subalgebra. We discuss how one can extract from these results information about quantum N = 2 WN supergravity theories containing a finite number of higher-spin symmetries with superspin s ≤ N. As an example we discuss the case of quantum N = 2 W3 supergravity.