Captain America Sentinel of Liberty #[nn]

When the Avengers pull a frozen figure from the ocean—sent there by an enraged Namor—they’re stunned to recognize him as Captain America, believed lost for two decades. Now awakened, Cap recounts his final mission with Bucky, the explosion that sent him plunging into the deep, and his sudden return to a world that’s moved on. With the team facing a new alien threat and Namor’s fury still burning, Cap steps forward, ready to fight alongside them—accepting their call to join the Avengers.

In this 1979 tale from *Captain America Sentinel of Liberty*, Steve Rogers finds himself at Avengers Mansion, lost in thought about Bucky, when a group of costumed criminals break in, betting on easy loot and underestimating the man in the stars and stripes. What follows is a swift, no-nonsense takedown, proving that even when he’s just an acrobat, Cap’s still the real deal—especially when his partners aren’t around to help.

In "The Red Skull Lives!" from Captain America: Sentinel of Liberty #nn (1979), the Sentinel of Liberty faces his most enduring foe—reawakened after decades in suspended animation and now working with the secretive organization THEM. With the Cosmic Cube at the center of a sinister plot, the Red Skull sets a trap designed to destroy Cap’s reputation, but the hero’s resolve is unshaken. As the truth begins to unravel, Captain America prepares for a confrontation that will test everything he stands for.

In "He Who Holds the Cosmic Cube," Captain America races to save a downed pilot—only to learn the man is a secret A.I.M. operative with a shocking secret: the Cosmic Cube, a weapon capable of turning thought into matter, has been stolen and is headed to the Red Skull. With the help of a SHIELD experimental missile, Cap pursues the villain to a remote island, where the Skull reveals a devastating truth about Bucky’s fate. The story unfolds with tense action and emotional weight, as Cap faces not just a powerful enemy, but the painful echoes of his past.

In "The Red Skull Supreme!", Captain America faces his most terrifying adversary yet—The Red Skull, now wielding the all-powerful Cosmic Cube and clad in a suit of solid gold armor, bent on conquering the universe. With the island crumbling beneath him and the Cube's power threatening to rewrite reality, Cap makes a desperate move to plunge the artifact into the ocean depths, sealing its fate in the abyss.

In "No Longer Alone!", Captain America faces a city in chaos when the Hulk goes on a rampage through New York, forcing a reluctant Rick Jones to warn him of the danger. As the duo confronts a HYDRA plot to poison the city’s water, Cap must finally accept Rick as his new partner—wearing Bucky’s uniform not as a replacement, but as a promise.

In "The Sting of the Scorpion!", Steve Rogers finds himself caught between personal reflection and a sudden clash with a reformed criminal testing his old edge—only to be drawn into a mystery far bigger than he imagined. When Sharon vanishes during a solo investigation, Cap must navigate a web of espionage and old ghosts, unaware that his own actions are leading him straight into the heart of the trap.