Joss Whedon

(Firefly)

Joss Whedon has been busy with "The Avengers" and other side projects lately, but that doesn't mean he hasn't been thinking about a followup to "Dr. Horrible's Sing-Along Blog." In a recent interview, Whedon teased that work on a sequel could begin as soon as this summer.

"We are hard on it. It's been a really tough year — couple of years — partially, I'm happy to say, because of work," Whedon said. "We're stuck, basically, at this one part in the process. All of us are looking at this summer

(Buffy the Vampire Slayer, The Avengers, Dollhouse, Firefly)

(Avengers)

"CBS Sunday Morning" did this cool segment about Joss Whedon's career, even showing a little bit of his next film, "Much Ado About Nothing."

(Avengers)