Marvel fans are on edge after the events of Avengers: Infinity War. There are rumors that Captain Marvel saves the day and restores order to the MCU in Avengers 4. Fans will get their first glimpse of Captain Marvel in the trailer for Captain Marvel. However, according to Comicbook.com, Marvel might postpone the release of the Captain Marvel trailer. Captain Marvel is slated to hit theaters on March 8, 2019. ComicBook.Com speculated Captain Marvel won’t show off its full trailer until July or August.