AVENGERS ASSEMBLE CHAPTER SIX: THE SECRET OF AVENGER PRIME! Story continued from Avengers Forever (2021 Marvel) #13. He is the most important Avenger in the Multiverse. He's spent years manning a watchtower at the heart of all creation all by himself. Now his story can be told, as he suddenly finds himself no longer alone, but instead surrounded by an unbelievable gathering of heroes.