Actors Robert Downey Jr., from left, Jeremy Renner, Mark Ruffalo, Chris Hemsworth, Cobie Smulders, Samuel L. Jackson, Chris Evans, Aaron Taylor-Johnson and
Actors Robert Downey Jr., from left, Jeremy Renner, Mark Ruffalo, Chris Hemsworth, Cobie Smulders, Samuel L. Jackson, Chris Evans, Aaron Taylor-Johnson and Paul Bettany take part in the Marvel panel at Comic-Con International on Saturday, July 26, 2014, in San Diego. (Photo by Chris Pizzello/Invision/AP) (Chris Pizzello/Chris Pizzello /Invision/AP)