Cheek kissing departing. It is uncommon between strangers of any sex, and it may be considered offensive otherwise. It is standard for children and parents, children and grandparents etc., and in its "formal" form it will be two kisses, one on each cheek. It may be a standard formal form of greeting in special events such as weddings. However, in Portugal and Spain, usually, women kiss both men and women, and men only kiss women (so, 2 men rarely kiss). In Portuguese families men rarely kiss men (except between brothers or father and son) , the handshake is the most common salutation
Wonder Woman in other media Wonder Woman's mutual feelings are implicated in the JLA episode "The Brave and the Bold", when Wonder Woman manages to stop a missile crashing into Gorilla City. When the weight of the missile head crushes her, Batman rushes to the site and attempts to clear the rubble while everyone else is too stunned by Wonder Woman's possible death to help. However, Wonder Woman is found unhurt, and when she sees Batman's gloves covered in dirt in his attempt to save her, she kisses him on the cheek. Batman and Wonder Woman share a kiss in the Justice League season finale