While Ant-Man and The Wasp will undoubtedly focus heavily on the two lead heroes, the inclusion of Hawkeye should be a natural fit.
Even though story beats for the sequel have not surfaced, the sharpshooter has already established a relationship with Ant-Man (Paul Rudd) in Civil War.
We will have to wait and see if this is proven to be true, but with Ant-Man and the Wasp beginning production this July, it shouldn’t be long.
After all, the official Ant-Man and the Wasp logo was just released, so it is only a matter of time before news about the sequel starts to become Marvel’s focus.