The Predators hear about a new species on Earth worth hunting. Dinosaurs. But they manage to call attention from a force they haven't encountered before. One that acts in a similar manner to them. Since Gantz is an older series I'll explain the set up in more detail rather than assume the readers understand how things work.
Kolchak runs into a conventional news story... and a little something else. Was originally submitted for the 50th anniversary anthology.
The League of Villains is auditioning a new recruit.
Someone is inspired to take on Raiders.