Amazing Spider-Man #145 (1975) (Mid Grade)

The return of Gwen Stacy! Upon his return from France, Peter learns that Gwen is not only alive and well, but waiting for him in his apartment! Mac Gargan, A.K.A. Scorpion, gains access to his Scorpion armor and returns to a life of crime. Will Spider-Man be able to solve the mystery of Gwen's return, and take down Scorpion?