Some Marvel characters have been stuck in their youth since their debut. Marvel’s sliding timescale means that, no matter how many decades pass in the real world, events are always compressed into just a few years of in-universe time. Hence, the entirety of the Marvel Universe’s modern history has supposedly happened within the last fifteen years or so.

While Marvel's sliding timescale affects every character, it impacts younger characters the most. Child and teen heroes remain stuck in roughly the same stage of their lives, no matter how long they’ve been around. Their youth is key to their appeal, but it also prevents them from evolving naturally. For Marvel’s younger heroes, time simply doesn’t move forward, and it shows.

7 Miles Morales

Miles Morales Would Be Around 27 Years O

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