Features the 1st and only appearance of the Amalga Beast. Affordable minor key. Captain America warns the Avengers of the Cosmic Cube. The Avengers battle with Namor and Hercules unwittingly reveals the cube to him. Namor then returns with the Cube to fight the Avengers, losing the battle when he loses the cube. The Mole Man chances upon the Cube thereafter but discards it, dismissing it for something useless. Very Fine copy of an early Silver Age Avengers minor key issue assessed at around 7.0. Cream to off-white pages, lies flat and tight copy. Comic will come bagged and boarded as usual.