The men are accused of killing Patricia McKay, a 68-year-old tourist from New Zealand, back in July.
Victim killed in botched robbery at Fashion Island was visiting from New Zealand
Investigators say she was with her husband at the mall when the three men attempted to rob them. At one point during the struggle that ensued, McKay was dragged into the street before she was run over by the men's getaway car.
The mayor of Newport Beach is expected to attend Wednesday's preliminary hearing in support of the victim's family.