Bill Paxton was the special guest for a Nerdist-sponsored panel at San Diego Comic-Con 2013, with Carrie Keagan offering the questions and Bill being his customary entertaining self and talking about his graphic novel Seven Holes for Air and telling stories about his movie plans, his comic book history, and James Cameron. The Nerdist Channel has the highlights right here:

And you can see the whole extended almost-an-hour-long version by clicking here.