Phase 1: Avengers Assembled
The Marvel cinematic universe first appeared in Iron Man in 2008 in which they teased the Avengers Initiative. The next movie released in the same universe was the Incredible Hulk (a reboot of the 2003 Hulk movie) in 2008. Then Iron Man and its sequel Iron Man 2 in 2010 which formally introduced S.H.I.E.L.D and many other characters in the Marvel cinematic universe. In 2011 Marvel added two more films to the continuity, Thor and Captain America: The First Avenger. Thor introduced Loki in Thor and The Avengers (Hawkeye also makes a cameo appearance). In Captain America the tesseract was introduced as an item that would be important in both Captain America and The Avengers.
In 2012 The Avengers movie was released in which Iron Man, Hulk, Captain America, Thor, Black Widow and Hawkeye were brought together by S.H.I.E.L.D. to fight an alien invasion lead by Loki and Thanos.
Most movies in the continuity had post-credit scenes which set up future movies and story lines. The Marvel Cinematic Universe has been met with commercial and critical success.
Phase 2 movies included Iron Man 3, Thor: the Dark World, Captain America: The Winter Soldier, Guardians of the Galaxy and The Avengers: Age of Ultron.
Phase 3 and Beyond
The only confirmed movies in Phase 3 are Ant-Man, Doctor Strange and Avengers 3. Characters like Black Panther, Luke Cage, Iron Fist, (or Heroes For Hire), Nighthawk, Vision, Ka-Zar, The Runaways, Power Pack, Ms. Marvel and Inhumans have all been rumored to have movies. Even though Marvel recently got the rights back for Daredevil, Punisher, Blade and Ghost Rider, they are no immediate plans to make new films for at least the next few years.
The Dark Elves and Malekith ruled the Nine Realms until Bor defeated them. The Dark Elves appear once every 5,000 years.
The Frost Giants of Jotunheim attempt to conquer Midgard/Earth. Their invasion point in Tønsberg, Norway becomes the site of an epic battle as Asgards ruler, Odin, leads an army to repel the invasion and protect the planet. Odin and his forces push the Frost Giants back to Jotuneim where the All Father discovers an abandoned Frost Giant infant whom he adopts, names Loki and raises as his own alongside his son, Thor. A truce is negotiated between Odin and the Jotun king, Laufey.
Odin hides the Tesseract in Norway.
Odin tells Loki and Thor about the battle with the frost giants in Tønsberg.
Howard Stark is born.
Jim Morita is born.
Joesph Rogers is killed in a mustard gas attack while serving with the 107th.
(Steve Rogers) Captain America is born.
World War II begins.
Howard Stark demonstrates the vibranium.
Johann Schmidt found the Tesseract.
Steve Rogers was tested the super serum.
Steve Rogers planned to take down Schmidt on his plane. Steve, the Tesseract and Schmidt's plane fell on the arctic. Steve Rogers slept for about 70 years.
Howard Stark finds the Tesseract. World War II ends with the defeat of Japan.
Obadiah Stane was born.
Nick Fury was born.
Stark World Exposition begins and stays for the whole year.
Anton Vanko works with Howard Stark on the Arc Reactor technology as "The Unity Project".
Stark World Exposition
Phil Coulson was born in Boston, Massachusetts.
At the 1999/2000 new years eve celebration, Tony Stark met Maya Hansen and Aldrich Killian who is a handicapped scientist for A.I.M. Maya tells Tony she is working on the Extremis project.
Tony Stark wakes up and breaks up with Maya Hansen. Maya and Aldrich upgrade the Extremis.
Thaddeus Ross convinced the military to reincarnate the Bio Force Enhancement Project inspired from Project Rebirth on World War II. Bruce and Betty work on the project for 3 years.
Bruce Banner tested the same serum that Steve Rogers used with gamma radiation. He later became the Hulk. Bruce Banner was mistaken as a "green sasquatch" by local Canadians.
S.H.I.E.L.D. believed Hulk was a threat.
Tony Stark was captured by a terrorist group in Afghanistan known as the Ten Rings. Yinsen helped Tony work on an armor so Tony can get back to America. Bruce Banner met Nick Fury who was disguised in a bar. Bruce Banner retreated to Rio de Janeiro to work on a cure with Samuel Sterns. Nick Fury declared that Hulk is a minor threat. Tony Stark battled Iron Monger and declared that he is Iron Man. Nick Fury later approaches Tony and wanted Tony to join the Avengers Initiative. Tony declined the offer. Nick Fury sent Natasha Romanoff to convince Tony again.
Bruce Banner mistakenly left a hint of his blood on a soda bottle. He sended the same sample to Samuel Sterns to work on a cure. Stark realizes that other countries are using his technology. Stark lets Pepper Potts as his CEO. General Ross' armies traced Bruce to the soda factory. Jane Foster found an aurora in New Mexico. Bruce Banner makes his way to Culver University.
Captain America's crash site was discovered by an oil team. Studies continue on Vanko's Whiplash/Hammer technology, on Jane Foster's Nine Realms Theory, on Stern's mutation and transforming the Destroyer into a handheld weapon. Hawkeye was sent to the Mojave to help Selvig to assist work on the Tesseract. Steve Rogers was thawed and sent to New York City. Steve wakes up and escapes from a S.H.I.E.L.D. building. He was stopped by Nick Fury. Nick Fury told Steve he had been asleep for almost 70 years.
Loki activates the Tesseract with the help of The Other and Thanos. Nick Fury reactivated the Avengers Initiative to battle an alien invasion. After sending a bomb to the Chitauri, Tony Stark suffered PSTD. Loki and Thor returned to Asgard. Extremis discharges happened at various locations including California, claimed to be attacks by Mandarin (a persona created by Aldrich Killian which is portrayed by Trevor Slattery, a British drug addict).
Tony Stark had a therapy session with Bruce Banner about the Extremis idea. Bruce Banner slept since he heard about the 1999 new years eve story.