Avengers #23

Captain America, working as a boxer under the alias Steve Rogers, discovers that Kang the Conqueror plans to attack the Avengers once more. Kang traps the Avengers in the future after adding a new floor to their headquarters. In the future, Kang attempts to impress Princess Ravonna with his power, but she remains indifferent. Back in the present, Steve becomes concerned about the missing Avengers. The Scarlet Witch, Hawkeye, and Quicksilver attempt to escape but are captured again, leaving Quicksilver alone. Using the Recreater, Captain America transports himself to the future where he reunites with Quicksilver. With Princess Ravonna's help, they confront Kang, and eventually, the Scarlet Witch and Hawkeye also escape. Despite Kang's efforts to win over Ravonna, she refuses, prompting Kang's armies to attack the city.

Key Details
- 1st appearance of Ravonna Renslayer, a romantic interest of Kang the Conqueror