Ant-Man 3: William Jackson Harper has joined the cast

The Good Place star William Jackson Harper is venturing into the Quantum Realm when Marvel's Ant-Man 3 comes to theaters next year.

William Jackson Harper Reportedly Joining Marvel Cinematic Universe in 'Ant- Man and the Wasp: Quantumania': Photo 4845892, Ant-Man, Ant-Man and the Wasp Quantumania, Marvel, William Jackson Harper Photos

Ant-Man 2 and Guardians 3 Reveal William Jackson Harper, Adam Warlock

William Jackson Harper to Appear in 'Ant-Man and the Wasp: Quantumania' - The DisInsider

Ant-Man and the Wasp: Quantumania Adds William Jackson Harper

Ant-Man 3 First Look at William Jackson Harper's Character & Fantastic Four Rumors

William Jackson Harper Reportedly Joining Marvel Cinematic Universe in 'Ant- Man and the Wasp: Quantumania': Photo 4845895, Ant-Man, Ant-Man and the Wasp Quantumania, Marvel, William Jackson Harper Photos

Ant-Man & The Wasp: Quantumania Adds The Good Place Star in Mystery Role - IGN

A Marvel villain comes into focus in 'Ant-Man 3' - The Charlotte Post

William Jackson Harper 'Ant-Man And The Wasp: Quantumania' Role Reportedly Revealed