Infinity Ward will host a panel at the upcoming E3 2019 revealing more details on the upcoming Call of Duty 2019. Earlier rumors about the game point towards Infinity Ward working on Call of Duty: Modern Warfare 4, but there is no official confirmation about it so far.
Call of Duty: Modern Warfare 4 is the next Call of Duty game that has been rumored to release in 2019. It will be developed by Infinity Ward who has started to tease the game beginning this year. They last worked on Call of Duty: Infinite Warfare which shipped along with a remake for Call of Duty: Modern Warfare 1.
One of the rumors is that Call of Duty 2019 will come with a remake of Call of Duty: Modern Warfare 2. Activision recently disclosed an updated sales figure for Call of Duty franchise and announced that they will reveal the next game before June 30, 2019. Since Infinity Ward is hosting this panel at E3, it might the time to announce a new game in the Call of Duty series. E3 will be held from June 11 to 13 so expect an announcement there.
Call of Duty: Modern Warfare 2 has been all but confirmed thanks to a leaked listing that was spotted on PEGI, the game rating board for Europe. It listed Modern Warfare 2 remake with a description of the rating for the game which confirmed that the single-player campaign is being released this year.