Avengers Tower

Avengers Tower (formerly known as Stark Tower) is a high-rise building complex which is located in Manhattan, New York City, the complex was named after its owner Tony Stark who is the alter-ego of the superhero Iron Man. It is now the headquarters for the Avengers.

History

The Avengers

Stark Tower was constructed by Tony Stark to serve as the headquarters of Stark Industries. It is powered by its own independent arc reactor, capable of sustaining the tower for a year without any cost to the city, which results in Loki selecting the tower as the location where he will open the portal to draw his army to Earth, both for the practical reason of power and the symbolic meaning of it satisfying his own ego. The Stark Tower was almost destroyed by Loki and his Chitauri army, thus forcing Stark to rebuild it. The only remaining letter of the 'STARK' that previously adorned the side of the tower is A as a nod to the Avengers.

Iron Man 3 Prelude

Pepper Potts announced in a press conference that, after all damage resulting from the Stark Expo incident had been repaired at the expense of Stark Industries, the relationship between Stark Industries and New York City would make another step towards the future. Pepper presented the plans for a structure acquired by Stark Industries, that would be transformed into the Stark Tower, the first completely clean energy powered skyscraper in Manhattan, hoping it would become a model for future development in the city.

Captain America: The Winter Soldier

Having been repaired and renamed to Avengers Tower, Stark Tower appears briefly during a targeting sequence.

Avengers: Age of Ultron

After the Battle of New York, Tony Stark designed the building as the Avengers' main headquarters. The building can house the Iron Legion robots. With rising threat of HYDRA, the Avengers reassembled. After locating Loki's Scepter from HYDRA, Tony and Bruce Banner researched on the Scepter and decided to use its to finish a artificial intelligence for the Ultron program. Ultron wound up becoming evil upon inception, seemingly destroyed J.A.R.V.I.S. and taking over the Iron Legion to attack the Avengers. Tony would later use Avengers Tower's laboratory to reprogram an android built by Ultron, called Vision.

Doctor Strange

Avengers Tower can be seen when the buildings in New York are collapsing in on themselves.

Spider-Man: Homecoming

To be added

Trivia

At the end of The Avengers, the tower becoming the base of operations for the Avengers was foreshadowed with the sole "A" in Stark Tower being the only letter remaining after the other were torn down and destroyed.
In Avengers: Age of Ultron, Avengers Tower will be the base of operations for the Avengers as stated by Kevin Fiege; "Last time we saw Stark Tower, from The Avengers, it had gotten beat up a little bit thanks to Hulk and thanks to Loki and the Chitauri, and Pepper and Tony were standing over a table looking at plans", recalled Kevin Feige during an interview with IGN. "That's where we pulled out and all the letters had fallen away except the "A" in Stark. So what they were doing was retro-fitting for the Avengers. And that's what we see in this next film. S.H.I.E.L.D. is gone – for people who are following along. S.H.I.E.L.D. was disbanded and brought down at the end of Captain America: The Winter Soldier because it turned out to not be the best organization ever. So Tony's bank-rolling The Avengers now. And he's bank-rolling their headquarters. So it's now Avengers Tower". The Marvel Studios president continued, "Tony designed it so in addition to a hanger for a brand-new Quinjet, laboratories, places where he can build and store his Iron Man suits, there are I believe two bars. Beautiful multiple space living rooms which are perfect for parties and social gatherings. But it's a primary location in the film this time around".
In the comics and film, Avengers Tower is the base of operations for the Avengers, which in the comics, is similiar to the Avengers Mansion.