Here's a (slightly expensive )way to create new comic fans ... cast'em in a comic book movie, which will send them to the comic shop to do "research." X17 Online has video of Iron Man 2's Robert Downey Jr. at Meltdown Comics in L.A., buying various Avengers comics and talking to fans:

Hat tip to Jim McCann, who pointed out Downey grabs a copy of New Avengers: The Reunion around the 1:20 mark ...