Avengers #257 CBCS 9.0 Witnessed Sig Signed by Jim Shooter, Cover art by John Buscema and Tom Palmer, 1st appearance of Nebula, 1st cameo appearance of Terminus (Cert 002)

Why it's Hot:

• Cover art by John Buscema and Tom Palmer
• 1st appearance of Nebula (Space Pirate & Granddaughter of Thanos)
• 1st cameo appearance of Terminus
• CBCS Authentic Signature Program, Witnessed Sig: Signed by Jim Shooter  
  

Synopsis:

"Holocaust in a Hidden Land!" Part 2 of 2. Guest-starring Ka-Zar and Shanna. And only Earth's Mightiest Heroes stand between the metal titan Terminus and total destruction! Or will Antarctica, centuries later, finally reclaim the Savage Land? A cold and bitter ending for Ka-Zar and the Avengers! Meanwhile, light years away in outer space, a mysterious cosmic menace named Nebula makes her presence known.