Avengers: Age of Ultron - $27.6m preview ($191.27m opening)

Marvel's The Avengers - $18.7m from midnight screenings ($207.44m opening)

Guardians of the Galaxy - $11.2m preview ($94.32m opening)

Captain America: The Winter Soldier - $10.3m preview ($95.02m opening)

Iron Man 2 - $7.5m from midnight screenings ($128.12m opening)

Thor: The Dark World - $7.1m preview ($85.74m opening)

Captain America: The First Avenger - $4m from midnight screenings ($65.06m opening)