Michael Douglas – Ant-Man/Hank Pym
The original Ant-Man, Hank Pym is played by Michael Douglas in the MCU. He gets introduced in Ant-Man, later appearing in Ant-Man and the Wasp. A physicist, former S.H.I.E.L.D agent, and entomologist, Pym developed the Ant-Man technology that allowed him to shrink at will as well as gain immense strength.
Dave Bautista – Drax the Destroyer
A member of the Guardians of the Galaxy, Drax the Destroyer is played by Dave Bautista. He first appears in Guardians of the Galaxy, having met the rest of the Guardians in prison and escaping along with them. Drax becomes part of the team, joining them in the sequel as well as in Avengers: Infinity War.