Silver Surfer Vol.1 #16
Mephisto returns with another attempt to steal the Silver Surfer's soul. He removes Galactus' barrier, so that the Surfer can return to Zenn-La. However, Mephisto has captured Shalla-Bal and brought her back to Earth. The Surfer returns to save her, but the only way to do this is by doing Mephisto's bidding. He agrees and is ordered to destroy S.H.I.E.L.D.
Printed: May 1970
Writers: Stan Lee
Art: John Buscema and Chic Stone
Cover: John Buscema and Chic Stone