Defenders #15 (1974)

"Panic Beneath the Earth!" Script by Len Wein. Art by Sal Buscema (layouts) and Klaus Janson (finishes). Cover by John Buscema, Mike Esposito, and John Romita (touch ups).

It's an epic encounter beneath the Carlsbad Caverns as Professor X, Dr. Strange, Nighthawk (in his new costume), Valkyrie, and the Hulk battle the Blob, Lorelei, Mastermind, Unus, and Magneto! Guest-starring Professor Xavier.

The Marvel Value Stamp series A #8 Captain America by John Buscema was removed. Fair condition.