Donald Faison is in talks to join the growing cast of Lionsgate's highly-anticipated sequel Kick-Ass 2: Balls to the Wall as Dr. Gravity.

In the Mark Millar and John Romita Jr. comic books, Dr. Gravity claims to be a physics professor who invented the "Gravity Pole," a device which can make something 20 times its actual weight. He actually is a college student majoring in English, who joins Kick-Ass (Aaron Johnson) in his adventures. The "Gravity Pole" is actually just a baseball bat covered in tinfoil.

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Chloe Moretz, Christopher Mintz-Plasse, and Nicolas Cage are expected to reprise their roles from 2010's Kick-Ass, with John Leguizamo recently signing on to play Javier, Red Mist's new bodyguard.

Jeff Wadlow is directing from his own screenplay, adapted from Mark Millar and John Romita Jr.'s comic books. Production is scheduled to begin next month in Toronto and London.