Ever since the release of the original Iron Man movie, the movies within the Marvel Comic Universe have been categorized into phases, with Avengers: Infinity War being in the third phase.

• Phase One

1. 1. 1. Iron Man
      2. The Incredible Hulk
      3. Iron Man 2
      4. Thor
      5. Captain America; The First Avenger
      6. Marvel’s The Avengers

• Phase Two

1. 1. 1. Iron Man 3
      2. Thor: The Dark World
      3. Captain America: The Winter Soldier
      4. Guardians of the Galaxy
      5. Avengers: Age of Ultron
      6. Ant-Man

• Phase Three

1. 1. Captain America: Civil War
   2. Doctor Strange
   3. Guardians of the Galaxy Vol. 2
   4. Spider-Man: Homecoming
   5. Thor: Ragnarok
   6. Black Panther
   7. Avengers Infinity War

Infinity War takes place two years after Spider-man Homecoming, therefore it takes place ten years after the battle of New York in the first Avengers movie, and two years after Captain America: Civil War.

Where each Infinity Stone can be found