The "interesting paper" you are referring to is likely the with the headline "Flash Missing, Vanishes in Crisis" . While this paper appears in several seasons, it is a central plot device in The Flash: The Complete Third Season because Barry travels to the year 2024 to investigate the identity of Savitar and witnesses future events tied to this specific document. The 2024 Newspaper
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: The Best Buy Exclusive Steelbook often features unique internal artwork printed on the packaging itself rather than a separate paper booklet. Where to Buy The "interesting paper" you are referring to is
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: While in 2024, Barry sees a news report mentioning a trial for the villain Plunder and a book deal for the "Music Meister," which Team Flash later tries to use as a roadmap to change the future.