PHOTOS 19 Sequels That Outgrossed the Original Movies

Marvel's upcoming films include Guardians of the Galaxy on Aug. 1; Avengers: Age of Ultron on May 1, 2015; Ant-Man on July 17, 2015; and Captain America 3 on May 6, 2016.

Scott Derrickson is attached to direct an upcoming Doctor Strange movie, while third outings for Thor and The Avengers are expected.

PHOTOS 10 Highest Grossing Movie Sequels

The Marvel.com announcement teased fans to stay tuned for more on "the ever-expanding Marvel Cinematic Universe." Marvel heads to San Diego Comic-Con July 26 at 5 p.m., which could be where some of these titles will be made public. Last year's Marvel panel revealed the title and villain for Avengers: Age of Ultron.