Here is an appropriate cover for the Halloween season: Marvel Premiere 28 featuring the Legion of Monsters!
Could it be an attack from an Atomic Age threat like Rro, Grottu or Fin Fang Foom?
Or the awakening of a long slumbering Elder God?
Or maybe it's some new version of the Creature Commandos!
Ah...apparently, none of those guesses are correct.
Here's what's scaring them.