Jason Aaron helmed one of the longest and most exciting Avengers runs of the modern era, and this omnibus collects the sweeping conclusion of his work with the biggest saga in Avengers history! On a quest for cosmic vengeance, Ghost Rider finds himself on a ruined Earth where the great Age of Heroes never came to be. His only ally is the world's most wanted archaeologist: Tony Stark, the Invincible Ant-Man! Together, they must find more surprising champions from other realities for the looming confrontation that will assemble the mightiest heroes of Earth, the Multiverse and 1,000,000 BC! They will unite on a day like any other to face a battle beyond all imaging. Because an army of unprecedented evil now rises - including Doom Supreme, his Multiversal Masters of Evil and a nigh-infinite army of Mephistos! But who is Avenger Prime?! Collecting: Avengers Forever (2021) 1-15, Avengers Forever Infinity Comic (2022) 1-4, Avengers Assemble Alpha (2022) 1, Avengers (2018) 63-66, Avengers Assemble Omega (2023) 1