Police said the charges relate to an alleged assault that took place at Queensbridge Square in Southbank.
He was charged with affray and committing an indictable offence while on bail.
Mr Mitchell will appear at the Melbourne Magistrates’ Court this afternoon.
The alleged serious assault occurred outside a cafe on Domain Road in South Yarra on October 4.
As part of his bail conditions Mr Mitchell was not to associate with any members of the Mongols.