The Call of Duty: Mobile World Championship was launched on April 30, in collaboration with Sony Mobile.
Many specifics for the event have still to be revealed, described as a global tournament.
Activision has confirmed that any mobile world championship players who wish to participate in a duty call must be ranked in the Ranged category of the game veteran or higher.
The event will have a total prize package of $1 million (£812,200), although at the time of writing the distribution is unknown. No further information on the World Championships was released at the time of writing, beyond the prize pool and the start date of April 30.