And that's not all: There will be plenty of beer from Avery, along with jalapeno, lime and prickly pear margaritas, roving beer wagons to quench your thirst while waiting in line, fire throwers (!), and entertainment by Bobby C Sound TV, the Orange Doods and Boba Fett.
Oh, and this time around, it's all about hauling out your best (or worst) hats and helmets. "Just for fun, we're encouraging people to wear their funniest, most creative hat or helmet," says Delores Tronco, who organizes the Justice League parties. "We don't care if it's a fedora, ski cap, baseball cap, derby hat, construction helmet, bike helmet, or good old-fashioned baseball hat, we just want to see your best and most creative head wear."
What you wear is up to you, but we're giving one Cafe Society reader even more incentive to party like a rock star by offering the opportunity to eat and drink for free at Saturday's bash, which also includes a playground and activities for kids.
All you have to do is answer this question: How many lobster rolls did Steuben's -- the restaurant, not the truck -- serve last week?
The person who comes the closest to the actual number without going over will win.
Post your answers in the comments section below, and be sure to leave at least your first name and a valid e-mail address so we can get in touch with you if you're the victor. We'll announce the winner tomorrow before 5 p.m.