Uncanny X-Men Vol.1 #52
Eric the Red attacks Mesmero and his army; Eric defeats Mesmero and heads toward Magneto, who is injured; Marvel Girl, Angel, and Beast break into Mesmero's headquarters; Iceman gets caught in trap intended for Mesmero.
Printed: Oct 1976
Writers: Arnold Drake
Art: Don Heck, Werner Roth, and John Tartaglione
Cover: Marie Severin and Joe Sinnott