For years, the Marro have been summoned to Valhalla. Now, rumors are spreading that within the uncharted jungle there is an even greater menace waiting. A great Marro Hive, hidden deep within in the jungle swamps and treacherous rock is continuously spawning new savage predators. These creatures, said to be venomous Marro, perhaps even Hivelords, will emerge from their colony and contaminate the world. Desperate to learn more, brave heroes from all worlds and eras embark into the darkness of the jungle.... The battle of all time rages on as warriors and heroes are summoned to Valhalla to explore the uncharted jungle.