User blog comment:ADour/Edgar Wright has LEFT Ant-Man!/@comment-8284722-20140609142740

It's official: Peyton Reed - director of comedy films such as Bring It On and Yes Man - will take on the role of director. The aforementioned Adam McKay will be contributing elements to Wright's script. ALso announced was the official synopsis:

Con-man Scott Lang must aid his mentor Dr. Hank Pym safeguard the mystery of the Ant-Man technology, which allows its user to decrease in size but increase in strength, from imposing menaces and plot a caper to defend the Earth.