- According to screenrant.com, it appears as if Iron Man 3 will be used to set up an Ant-Man movie. In Iron Man 3, Andy Lau was cast to play a character described as a "good guy" scientist. That character will be a version of Chen Lu aka radioactive Man. Here is some more background on the character…
In Marvel Comics, Chen Lu is a nuclear physicist for the People's Republic of China and a villain of Iron Man who works for The Mandarin. His abilities from exposure to radiation give him green-colored skin and the abilities to control radiation in various ways.
In the comics, Henry Pym (Ant-Man) fought Radioactive Man, defeating Lu and having him deported to China, but years later, when Lu had dropped his villainous roots to work with other superheroes, he and Pym worked together during the Marvel Civil War
Many figure that Iron Man 3 will be used to introduce Ant-Man in a post credit scene, which is likely what Edgar Wright meant when he stated that he hopes to be shooting something for Ant-Man this year.
At this time, this is not confirmed, and should be looked at as a rumor.
411mania
Wright's been trying to get this off the ground for ages, not very knowledgeable on Ant-Man but very interested in this.