Will Smith and Charlize Theron have signed up to reprise their roles in a sequel to Hancock.

The pair starred in the 2008 superhero movie, which Smith also produced, and it went on to net more than $600 million at the worldwide box office.Theron sparked rumours of a sequel last year (08) when she said she'd happily return to her role if the Men In Black star did too: Riding the Will Smith train is a really nice train to ride!And the director has now confirmed the superstars have agreed to appear in a second Hancock film.Peter Berg tells MTV, Everybody's going to come back for the sequel.