Scientists at an undersea observation station unleash a gigantic prehistoric shark. Only one man can save the day (and some trapped divers): Jason Statham. Like Dwayne Johnson in last month’s Skyscraper, the hero has morphed into a everyman superhero, defying odds that can only be accomplished through movie effects. The plot is by-the-numbers, almost right down to every kill. The attacks are OK, but never spectacular or especially inventive. Still, for someone who enjoys a predictable popcorn escape, this one will keep you entertained. Consider it one step above the Sharknado series.

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