Possible Clues:

• Hero with a mask
• Comic superhero
• One in attendance when stuffing is knocked out of cricketer?
• Penguin foe
• Cricketer losing heart becoming hero
• Opens the Merlot aged in Prohibition serving someone on campaign trail perhaps
• Valet shows where cash is delivered during prohibition
• Superhero, Robin's partner
• Comic book character, an officer's personal servant
• Super 'POW!'-er?