"When the united Kree/Skrull army targets Earth, Captain America sends out a call for heroes to meet its global invasion! Which Avengers will assemble to fight a war on three fronts? In New York, a villain from the past is super-charged with alien energy! In Mexico, old hatreds turn allies into enemies! And in the Savage Land, the soul of the jungle has been stolen - and Shanna the She-Devil's life hangs in the balance! Prepare for mystery, magic and mayhem in the Mighty Marvel Manner! Meanwhile, in South America, Conan the Barbarian is targeted by slavers from beyond the stars - and they've got a singular and savage end in store for the time-displaced Cimmerian. It's a grisly fate that only Venom can help him avoid!"--Provided by publisher.