After another incident involving the Avengers results in collateral damage, political pressure mounts to install a system of accountability, headed by a governing body to oversee and direct the team. The new status quo fractures the Avengers, resulting in two camps, one led by Steve Rogers and his desire for the Avengers to remain free to defend humanity without government interference, and the other following Tony Stark's surprising decision to support...

As the Avengers and their allies have continued to protect the world from threats too large for any one hero to handle, a new danger has emerged from the cosmic shadows: Thanos. A despot of intergalactic infamy, his goal is to collect all six Infinity Stones, artifacts of unimaginable power, and use them to inflict his twisted will on all of reality.

Natasha Romanov, called the Black Widow, agent of S.H.I.E.L.D, rescues a young girl from Ivan, the man who once trained her as an assassin--and eight years later she is called upon to protect the teenager Ava has become from a threat from the past--and possibly from S.H.I.E.L.D itself.

The Black Widow and Red Widow have inherited something from their shared past--a need for vengeance against deceased Ivan Somodorov's network of terror. Graduates of Moscow's famed Red Room spy school are taught to keep their enemies close and their loved ones at a distance. Now Natasha and Ava-- the Black Widow and the Red Widow-- are searching South American in order to extinguish a smuggling operation. The Red Room attempts to assassinate them,...

Describes the powers and abilities of the members of the Avengers, including Ant-Man, Hulk, and Thor.

"The band is back together! As the Avengers unite once more, they'll have to relearn how to work as a team. And they'd better figure it out quickly before Ultron's master plan kicks into high gear! The mechanical menace has the ultimate solution for the scourge of humanity: replace everyone on Earth with robots! First names on Ultron's list? The Avengers!" -- Back cover.

Ant-Man battles a deadly virus in New York City that turns ants into living zombies.

"Whether running Stark Industries or suited up as Iron Man, Tony Stark has dedicated his life to making sure his technologies do not harm others. When S.H.I.E.L.D. agent Coulson informs Tony that two Avengers went missing while looking into one of his inventions, Tony immediately transforms into Iron Man and jets off to find them! But his simple rescue turns out to be ... NOT SO SIMPLE. Along the way he must face mutating dogs, robotic sharks, and...

Introduces the members of the mighty superhero team and their foes.

"Captain America and Iron Man: two cornerstones of the Avengers, the world's most powerful super hero team. They've fought side by side, stopped deadly threats to the entire planet, and become close friends. No more. A tragic super human battle blows a hole straight through the center of Stamford, Connecticut, killing hundreds of people. The U.S. government responds swiftly, demanding that all super heroes--and villains--unmask and register their...