The Flash Season 3 Complete Pack Instant

: Many new copies included a paper slip with a Digital HD UltraViolet code , though many of these have since expired.

: 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 Flash Season 3 Complete Pack

If you are looking for physical paper collectibles included in the box sets: : Many new copies included a paper slip

: The authorship of the paper (originally by Iris West-Allen) is a recurring sub-plot as Iris works toward becoming the journalist who eventually writes that headline. Physical "Paper" in the Complete Pack Physical "Paper" in the Complete Pack : Standard

: Standard DVD and Blu-ray packs typically include a printed insert or booklet that lists all 23 episodes and descriptions, such as "Flashpoint" and "Finish Line".

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

: The paper serves as a constant reminder of Barry's eventual disappearance during a "Crisis".