Spoilers, ahoy!

The Ant-Man post-credit scene has leaked online.

Update: The mid-credit scene has leaked online as well.

"Ant-Man" has a July 17, 2015 release directed by Peyton Reed starring Michael Douglas as Hank Pym, Paul Rudd as Scott Lang, Evangeline Lilly as Hope Van Dyne and Corey Stoll as Darren Cross/Yellowjacket.

Synopsis:

The next evolution of the Marvel Cinematic Universe brings a founding member of The Avengers to the big screen for the first time with Marvel Studios’ “Ant-Man.” Armed with the astonishing ability to shrink in scale but increase in strength, master thief Scott Lang must embrace his inner-hero and help his mentor, Dr. Hank Pym, protect the secret behind his spectacular Ant-Man suit from a new generation of towering threats. Against seemingly insurmountable obstacles, Pym and Lang must plan and pull off a heist that will save the world.