Tales to Astonish #21 CGC 4.0 Hulk prototype: 1st appearance of the Glop, originally named the Hulk but renamed when reprinted (Cert 4008)

Why it's Hot:

• Cover art by Jack Kirby and Dick Ayers
• Hulk prototype : 1st appearance of the Glop, originally named the Hulk but renamed when reprinted
  

Synopsis:

An American scientist working on a massive steam shovel in the African jungle inadvertently captures the attention of an ancient alien being named Trull, who possesses the machinery to run amok until local wildlife intervenes.