According to Deadline, Patrick Wilson with join the cast of Ant-Man. No word on what the role will be, but Wilson will be another great addition. Wilson was really good in Watchmen and, more recently, The Conjuring. He has a strong presence on screen and often plays subversive characters.
The official cast for Ant-Man is Paul Rudd as Scott Lang, aka Ant-Man, and Michael Douglas as Hank Pym. Rumored for the role of Janet Pym is Evangeline Lilly, and Michael Peña will reportedly play an undisclosed character.
Ant-Man, directed by Edgar Wright, is set for a July 17, 2015 (USA) release.