The Marauders' War was a large scale conflict across the Nine Realms that began after the destruction of the Bifrost Bridge, causing the Asgardians' protective power over the Nine Realms to plummet. During this war the Troll Lords attacked the Dwarves, the Badoon engaged in a civil war, and the Marauders raided Vanaheim.
The Bifrost Destruction
- "With the death of Laufey and Loki's attack on their world, the Frost Giants are a broken people... and yet they sense something has happened. The Troll Lords know it as well. For many millennia, they have coveted the Dwarven forges. Once they realize that Asgard cannot come to king Eitri's defense, they will strike. Despite their primitive nature, the Badoon feel our absence. Several of their clans have fallen into civil war. Their savagery and bloodlust will eventually spread from planet to planet unchallenged. And the Marauders amass near Vanaheim. Thor's destruction of the Bifrost continues to shift the balance of power across the Nine Realms... and into the worlds beyond Yggdrasil."
To save Jotunheim from being destroyed by Loki, Thor destroyed the Bifrost Bridge during the Duel at the Bifrost Bridge. After the bridge was destroyed, many of the hostile beings in the Nine Realms realized that the Asgardian presence was missing. The Troll Lords took this chance to begin an onslaught against the Dwarves, seeing that Asgardian warriors could not come to king Eitri's defense. The Badoon began a civil war among their clans, having no Asgardians to intervene. The intergalactic group of bandits known as the Marauders seized the opportunity to raid Vanaheim, a realm whose main form of military came from the Asgardians.
When Thor found Loki, he came into conflict with S.H.I.E.L.D., who had taken Loki as prisoner. He eventually escaped and a large scale battle erupted, uniting Thor with other skilled individuals, making him a member of the Avengers. The team fought against Loki and his army of Chitauri and successfully defeated them, giving Thor the opportunity to take the Tesseract back to Asgard, along with Loki as his prisoner.
After returning to Asgard, Thor gave the Tesseract to Heimdall so he could repair the Bifrost Bridge. After it was repaired Thor, the Warriors Three, Sif, and the entire Einherjar army were prepared for battle.
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- "To fight, to bleed, to die for those we love and cherish. To wage war on those who would kill any who cannot defend themselves. To hold back the ever-growing tide of Ragnarök that comes to calm us all. This is not our duty. It is the reason for our very existence. Since the days of Bor and Buri before him, we have protected the Nine Realms. But for too long, Asgard has been cut off from those who depend on our blood and courage for their survival. Without our light, darkness spreads. But the time of darkness is at an end. Asgard returns. And there will be Hel to pay!"
After fighting other forces in the Realms for over two years, the Asgardians now had to help save Vanaheim from the final threat in the realms, the Marauders. The first to arrive were the Warriors Three, Sif, and many Einherjar soldiers. When they arrived, the Marauders had already began their incursion on the Vanir.
Hogun and Fandral fought the bandits off in the forests with many soldiers, while Sif, Volstagg, and other soldiers fought the other bandits off in the Vanir's camp grounds. Soon a Kronan Marauder arrived to help his comrades, causing the Hogun, Fandral, and the soldiers to flee back into the campgrounds.
Soon, Thor arrived to aid in the battle. For a while the Asgardians had the advantage, but the Kronan Marauder finally arrived at the campgrounds. All of his allies chanted his name. He tried to intimidate Thor, but was quickly killed by him, forcing the Marauders to surrender and ending the Marauders' War. 
The Asgardians helped the Vanir repair their homes. Hogun chose to stay with his people for a while. On their return to Asgard, there was a celebration for the end of the war. Due to the Convergence, the Dark Elves would soon awaken after millennia of hibernation, starting the Second Dark Elf Conflict.
|Wars and Conflicts in Asgardian History|
|First Dark Elf Conflict (2988 B.C.) • Asgard-Jotunheim War (965 A.D.) • Battle of Puente Antiguo (2010) • Duel at the Bifrost Bridge (2010) • Marauders' War (2011 - 2013) • Chitauri Invasion (2012) • Second Dark Elf Conflict (2013)|