When Marvel's "The Avengers" opens on May 4, we'll see a number of established superheroes, including Thor, Iron Man, Captain America and The Hulk, plus lesser-known team members Black Widow and Hawkeye. But what about the rest of the myriad heroes and villains who have entertained comic book readers for decades? We've compiled a list of ten more "Avengers" characters we'd like to see pop up in the film, from Ant-Man to The Vision. Do you agree with our choices? Who did we miss? Vote for your favorites in the gallery.

Pictured: Ultron, Ant-Man, Wonder Man