Critics mostly agree that Jonah Hill and Channing Tatum’s undercover cop comedy is ‘a vibrant reboot of a rather forgettable ’80s TV series.’ By Eric Ditzian Channing Tatum and Jonah Hill in “21 Jump Street” Photo: Sony Where my laughs at? We’ve been suffering through a far-too-serious start at the 2012 box office. The first three-and-a-half months of the year have been dominated by weepy dramas (“The Vow”), kid-friendly animated fare (“The Lorax”), middling horror flicks (“The Devil Inside”) and films that should have kept geek flags around the country flying high but instead could barely inspire a gust of nerdy enthusiasm (“John Carter,” “Ghost Rider: Spirit of Vengeance”). Even the adventure-comedy “Journey 2: The Mystery Island” — #4, somehow, on the year’s top-grossing-movies list — elicited more forehead-smacking guffaws than genuine belly laughs. “21 Jump Street” is about to change all of that. As our friends over at NextMovie put it, Jonah Hill’s new film is the “first must-see comedy of the year.” The majority of critics agree, praising the movie’s big laughs, star players and killer supporting performances. Read on for a deep dive into the “21 Jump Street” reviews. The Story “Jonah Hill and Channing Tatum as novice cops who are forced to go undercover as high-school students to bust up a drug ring? Come on, that movie’s going to blow, right? But ’21 Jump Street’ doesn’t blow — which could have been this movie’s raunchy, self-deprecating tagline if it didn’t already have several. ’21 Jump Street’ isn’t a wild, fresh reinvention of the movie-clich
