Attack on Avengers

Attack on Avengers is a one-shot manga crossover between characters from Attack on Titan and Marvel Comics properties. This is the first official Attack on Titan crossover, and the first official Marvel crossover with a manga/anime property. Hajime Isayama created the manga's story, although Marvel's C.B. Cebulski wrote the comic itself.

Plot
The story revolves around the Titans, including the Armored Titan, Colossal Titan, and Female Titan, invading Manhattan, and the Avengers (Spider-Man, Iron Man, Black Widow, Captain America, Hulk, and Hawkeye) trying to defend the city, eventually receiving help from the Guardians of the Galaxy.

Characters

 * : A reporter in the Marvel comics universe.
 * : The second-in command of the orginization S.H.I.E.L.D.

Avengers

 * : A billionaire who pilots a suit of armor. After the weak point is found he takes down the Female Titan.
 * : A teenager who was bitten by a radioactive spider, giving him spider-like abilities. He takes on two smaller Titans while making jokes.
 * : A super-soldier and WWII veteran who was frozen in ice and woke up in the present day, and the leader of the Avengers. Leads the team and spots the Titans' weak point.
 * : A master assassin; She takes down the Armored Titan.
 * : A master marksman. He and Captain America take down a Titan.
 * : A scientist who was exposed to heavy amounts of Gamma Radiation, transforming him into a giant green rage monster. Uses a piece of scaffolding to take down another Titan.

Guardians of the Galaxy
They appear after the Colossal Titan shows up. After which they tell the Avengers to take a break, they'll handle it.
 * Starring:

Titans

 * Armored Titan: He is the first Titan Shifter to be shown, as well as the first to be defeated.
 * Female Titan: She is the second Titan Shifter shown and defeated.
 * Colossal Titan: Briefly appears at the end of the chapter
 * Titan: Having emerged from the water, a multitude of Titans rampage Manhattan.

Trivia

 * Iron Man referred to the Female Titan as, "Miss teenage towering beauty queen," despite not knowing anything about the Titans or where they came from.
 * Unlike Titans in the original manga, these Titans mysteriously emerge from water.