DC League of Super-Pets crams every second with satirical superhero (and pet) humor

polygon.com:

Animal sidekicks in superhero stories are mostly meant to provide a bit of comic relief and an opportunity to sell more toys. At best, they might get a plot line where they’re ignored and underestimated by a villain, right up until they save the human heroes from their latest predicament. Warner Bros.’ new animated theatrical feature DC League of Super-Pets embraces those tropes while putting an entirely new spin on them: a plot driven by an evil animal sidekick who wants to salvage a supervillain’s thwarted plan. That clever twist on a silly concept drives a surprisingly sweet and funny movie that’s absolutely packed with rapid-fire jokes designed to appeal equally to pet-lovers and DC Comics diehards.

Kate McKinnon disappears into the role of Lulu, a literal guinea pig for Lex Luthor’s fiendish experiments at his company Lexcorp, which caused her to lose all her fur and seemingly imbued her with super-intelligence. Rescued from captivity and dropped off at an animal adoption center by Krypto (Dwayne Johnson), a Kryptonian dog with the same powers of his best friend, Superman (John Krasinski), Lulu seeks to to continue the plot Luthor (Marc Maron) was working on to gain superpowers. Her shockingly successful scheme has the side effect of also giving powers to a group of hard-luck cases at the shelter, four animals who join Krypto to save Metropolis.

Lulu is a hybrid between Animaniacs’ megalomaniacal mouse The Brain and Luthor, who she views as her mentor and colleague. (They even share the same affliction: baldness due to an experiment gone wrong.) Her misplaced affection makes her the perfect enemy for Krypto, who’s questioning his own devotion to Superman as the hero starts spending more time with Lois Lane (Olivia