The Avengers #126 (1974)

The Avengers' epic battle against Thanos the Mad Titan is over.  But now our heroes must turn their attention to the insidious Klaw, who has captured five Avengers in a solid sound bubble. The remaining Avengers have only one hour to free their comrades! But the key to victory lies with the Avenger who knows Klaw the best…the Black Panther! Script by Steve Englehart. Pencils by Bob Brown. Inks by Dave Cockrum. Cover by Ron Wilson and Mike Esposito.

Note: The Marvel Value Stamp series A #46 Mysterio was removed by an 11 year old me. Fair condition.