Question: Which fictional cosmic entity that consumes planets is the longtime Fantastic Four foe?
Sentence (from "Superman/Fantastic Four"): The tale unites DC's first superhero Superman and Marvel's first superhero team, the Fantastic Four—pitting them against the Cyborg Superman (who gained notoriety in 1993 during DC's "Reign of the Supermen" story arc) and the longtime FF foe Galactus.
Relevant evidence: Yes