Avengers #6

Plot

The Time Gem has reappeared, ushering the Avengers into a peril-filled journey forward into days-to-come! Propelled 50 years into the future, the Avengers come face-to-face with the legacy of their actions! Then, 5,000 years into the future, the mysterious origin of the rogue planet is finally revealed! And finally, 50,000 years into the future, Earth’s Mightiest Heroes find themselves on Holoworld, captured in conceptual space. But as they try to figure out how to defeat an idea, the first Avenger meets the last Avenger, the Avengers World crumbles, and you won’t believe what comes next. And back in the present day, ORIGINAL SIN comes crashing into Avengers Mansion. Remember back when the Illuminati erased Captain America’s knowledge of their existence? So does Captain America!

Collecting AVENGERS (2012) #29-34.