#supergirl#superwoman#comics#dccomics SUPERGIRL#38  "Who is Superwoman?" part 2! The mystery of the year continues! Supergirl uncovers a vital clue to Superwoman's identity, but the Woman of Steel is more than willing to fight to protect her secrets! Plus, just what is Reactron up to – and what does a certain Metropolis police inspector have to do with it?