Events are in Brooklyn unless noted. Saturday: Iron Maidens Weightlifting Competition advertises as sixty bad-ass women compete to see who can haul the heaviest amount of metal into the air. The event benefits Grace Outreach, a tuition-assistance group for low-income women, 9 am–7 pm, Crossfit South Brooklyn, 597 Degraw St., between Third and Fourth Avenues. The Great Dough-Down, 9 am, one drink minimum, get a flight of 4 or more unlabeled doughnut samples, and vote for your favorite. Proceedings will be videotaped and include live music, The Flat, 308 Hooper St. between Broadway and S. Fifth Street. NYC Big Apple Con with comic books, sci-fi fantasy, horror, and Cosplay. Top comic book creators, media celebrities, dealers, panel discussions and a costume contest. There will also be a special 50th anniversary of the Batman TV show, the first appearance of Marvel’s Black Panther, the history of Charlton Comics, Star Wars, the Winter Indie Film Awards animated shorts, and NY Jedi, 10 am to 6 pm, $25 ($10 children), Penn Plaza Pavilion, 401 Seventh Ave. at 33rd Street, NY. City squirrels 1 to 2:30 pm, rangers will guide you to the best wildlife viewing spots in the urban jungle. One reason squirrels are so commonly found in city parks is due to their amazing ability to adapt for the nutty mammal, Fort Greene Park Visitor Center, enter park at Myrtle Avenue and Washington Park. Join a movie locations tour at Brooklyn Bridge Park, The Reel History of Brooklyn Cinema, 3–4 pm, from On The Town to Moonstruck, 334 Furman Street.
Sunday: Morbid Anatomy Flea Market selling taxidermy galore, artful bones, unusual antiques, obscure books, and assorted curiosities, noon, $1, Bell House, 149 Seventh St. at Third Avenue. Brooklyn Brain Jam is a five-hour nerd-fest, as Brooklyn institutions Big Quiz Thing, Kevin Geeks Out, and Nerd Nite combine forces to provide mind-fortifying diversions. Also with Comic Book Club and merch from the Unemployed Philosophers Guild, 2–7 pm, Littlefield, 622 Degraw St. between Fourth and Fifth Avenues, $15 ($12 in advance). Art+Feminism: Wikipedia Edit-a-thon 10 am-5 pm. According to the (in) famous Guerrilla Girls collective, less than 4 percent of artists in the Modern Art wing of the Met are ladies, yet 76 percent of the nudes there are of women. Similarly, the internet remains a boys’ club and less than 10 percent of its contributors identify as female. Join the all-day communal updating of Wikipedia entries related to art and feminism. The event begins with a topical discussion on feminism and digital culture with Orit Gat, Reina Gossett, and Jenna Wortham. Last year, over a thousand participants created nearly four hundred new pages and made improvements to five hundred articles. So bring your laptop, your charger, your kid (child care is provided), and your desire to stick it to the patriarchy and get editing, free at The Lewis B. and Dorothy Cullman Education and Research Building, 4 W. 54th St., NY.