There is a power that can either save the world or doom it! Both Steve Rogers and the heroes arrayed against him need this power! But unfortunately for all of them, the key to possessing this power lies in the hands of the unstoppable Ultron! LIVE IN X-CITING TIMES! SECRET EMPIRE!

Note: The one-shot Secret Empire: Uprising should be read before this issue.

Note II: The special tie-In one-shots Secret Empire: Underground and Secret Empire: United should be read after this issue.