"Earth's Mightiest Heroes must find the resolve to stand united one final time against their greatest foe! The Avengers will assemble once more: Captain America! Thor! The Vision! The Wasp! Spider-Man! Hercules! But when the dust settles, will any of these valiant warriors make it out alive from an all-out war with Kang the Conqueror?! And when the Vision sets out, hell-bent on revenge against Kang, all of history will be in jeopardy if the Avengers can't stop him! The Firewall of Time will be shattered - and it will fall to the Avengers to stop the dangers it held back! When war after war ends, not everything - or everyone - will be the same!"--Back cover.