John Wayne — seen here in 1956's The Searchers — was an icon of traditional Hollywood manliness. AP/Warner Bros. hide caption

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If you want to move beyond just numbers for your sequel titles, critic Bob Mondello says there are a few informal rules you need to follow. hide caption

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Barbra Streisand does a lot of singing on transit — over the course of Funny Girl, Funny Lady, Yentl and Hello Dolly (above) she sings aboard a train, a plane, a taxi a tugboat, and an ocean liner. 20th Century Fox/Chenault/The Kobal Collection hide caption

itoggle caption 20th Century Fox/Chenault/The Kobal Collection

Ellar Coltrane — pictured here with screen family Ethan Hawke and Lorelei Linklater — grows from boy to man on-screen in Richard Linklater's new Boyhood. IFC Productions hide caption

itoggle caption IFC Productions

In Earth to Echo, Brian "Astro" Bradley, Ella Wahlestedt, Reese Hartwig and Teo Halm play a group of kids whose neighborhood is being destroyed by a highway construction project, forcing their families to move. Patrick Wymore/Relativity Media hide caption

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Mathieu Amalric as a Roman Polanski look-alike and Emmanuelle Seigner — the director's real-life wife — play psychosexual mind games in Venus in Fur. Mars Distribution hide caption

itoggle caption Mars Distribution

Jonah Hill and Channing Tatum age out of high school in a Jump Street sequel that doesn't mess with its successful formula. Sony Pictures hide caption

itoggle caption Sony Pictures

In Supermensch, talent agent Shep Gordon recalls arriving in Los Angeles in 1968, dropping acid and getting slugged by a woman who later identified herself as Janis Joplin. Dogwoof Films hide caption

itoggle caption Dogwoof Films

Filth is based on a novel by Irvine Welsh — who also wrote the profane, drug-fueled epic Trainspotting. James McAvoy plays Detective Sergeant Bruce Robertson — a bigoted junkie cop — with enough foul-mouthed sleaze to be thoroughly off-putting. Neil Davidson/Magnolia Pictures hide caption

itoggle caption Neil Davidson/Magnolia Pictures

Professor Xavier and Magneto scheme to send Wolverine back to the Nixon-era past to avert a devastating war in X-Men: Days of Future Past. Alan Markfield/Twentieth Century Fox hide caption

itoggle caption Alan Markfield/Twentieth Century Fox

Godzilla goes after San Francisco in this newest update to the classic monster movie. Courtesy of Warner Bros. Pictures hide caption

itoggle caption Courtesy of Warner Bros. Pictures

Jesse Eisenberg's performance as mystery doppelgangers will have you seeing Double. Magnolia Pictures hide caption

itoggle caption Magnolia Pictures

Gugu Mbatha-Raw plays Dido Elizabeth Belle, the illegitimate daughter of a British admiral. David Appleby/Fox Searchlight hide caption

itoggle caption David Appleby/Fox Searchlight