Marvel's Avengers vs. Godzilla

Marvel's Avengers vs Godzilla is a Japanese/American animated superhero giant monster film co-produced by Toho, Man of Axtion Studios, and Marvel Animation Studios. It's a crossover between Marvel's Avengers Assemble and the Godzilla franchise.

Premise
The Avengers, Earth's Mightiest Heroes against Godzilla, Earth's Mightiest Monster.

Plot
A supervillain named Doctor Demonicus was planning to rule the world with an army of monsters starting with a giant therapod dinosaur called the Godzillasaurus until he was defeated by the Avengers (Iron Man, Captain America, Hulk, Thor, Falcon, Black Widow, Hawkeye, and Ant-Man). As Demonicus gets arrested by S.H.I.E.L.D., he tells them that no hero on Earth will be matched for his next plan as he gets taken to the Vault.

Meanwhile, the Avengers and S.H.I.E.L.D. took the Godzillasaurus to a S.H.I.E.L.D. base in Alaska to study the creature as Ant-Man, Hulk and Thor guard it while Iron Man and Falcon then studied on its' DNA and has confirm to be a real dinosaur when some robots attacked the base and then defeating the heroes, and the S.H.I.E.L.D. agents. Meanwhile at the Vault, Doctor Demonicus manages to escape with the help of his robots when Captain America, Black Widow, and Hawkeye came to stop him, but his robots then captures Black Widow and takes them to his volcanic lair is the middle of the Pacific Ocean where he has Black Widow is tied to a chair, and tells her that he has plan to create the ultimate monster by using the Lifestone Rock to mutate the Godzillasaurus.

After Captain America and Hawkeye told the other Avengers that Black Widow has been captured, Iron Man gets a lock on her signal and head straight to Doctor Demonicus's lair where they manage to free her and fight Demonicus, who uses a specialized gun with a piece of the Lifestone and blast a beam as the Godzillasaurus, mutating the dinosaur into a more powerful version of itself, Godzilla.

The Avengers were shocked to see the appearance of Godzilla as Doctor Demonicus set the destruct button to blow up his lair, but it was disarmed by Falcon as Godzilla escape into the ocean while the Avengers took down Demonicus and have S.H.I.E.L.D. arrest him for good. In the meanwhile, Jarvis has alarted the Avengers that Godzilla is headiing straight towards New York as they go ahead to save the city when Godzilla finally arrives to attack the city.

Heroes

 * Avengers

Villains

 * Doctor Demonicus

Monsters

 * Godzilla
 * Centipor
 * Batragon

Trivia

 * Godzilla has the appearance of the FinalGoji suit.