[2] According to Stan Lee, who co-created the Avengers:[3][4] There was a mansion called the Frick Museum that I used to walk past.

It was primarily looked after by the Stark family butler, Edwin Jarvis, who not only took care of the mansion but also catered to the needs of the Avengers team.

The first three floors were open to the public and had twelve rooms to house Avengers who wished to reside in the mansion, as well as Jarvis's quarters.

A portion of the mansion's third floor served as a hangar for the Avengers' quinjets, their primary mode of transportation.

The Fantastic Four took up temporary residence at Avengers Mansion after their headquarters (the original Baxter Building) was destroyed.

Ute, a Watcher enslaved by the villain Proctor, brought an alternate reality version of the original Avengers Mansion to the site as a dying gift.

During the highest tensions of the Civil War incident, Iron Man and Captain America meet at the ruins in order to talk things out.

Former Avenger Clint Barton has made his way on to the grounds several times since then, most recently following Captain America's death.

[12] After an extended period, and severe damage thanks to Daniel Drumm the New Avengers dissolve, and Cage sells the mansion back to Stark for five dollars.

[13] After yet another roster reshuffling, the mansion was refitted as the headquarters for the new Avengers Unity Squad which is funded by Janet Van Dyne.

The Mansion was surrounded by a wall twelve feet high and one foot thick, as well as an array of high-tech security defenses.

When Tony Stark was the United States' Secretary of Defense, the mansion's security systems were backed up by government forces.

The Infinite Avengers Mansion was created by Hank Pym in the pocket dimension where Thor sent Janet Van Dyne's body at the end of Secret Invasion.