Marvel announced that Ant-Man is getting a sequel entitled Ant-Man and the Wasp. It will be released on July 6, 2018 as part of Marvel’s Phase 3. As part of this announcement, Marvel also moved some titles including Black Panther to February 16, 2018 from the July 6 date and Captain Marvel to March 8, 2019 from November 2, 2018.
The also announced three new untitled Marvel films for 2020, with dates of May 1, July 10, and November 6. It is presumed that these films will be the beginning of Phase 4 of the Marvel Cinematic Universe.