The LEGO Super Heroes keychains started in 2012 with the release of DC comic heroes including Superman, Batman and Wonder Woman and then followed by Marvel heroes and villains. These keychains consist of characters from both the DC Universe and the Marvel Cinematic and comic Universes.
Summary
Gear Key Chains / Super Heroes Superman Key Chain set 853590 was released in June 2016, retailing for $6, but has since been retired. New, unopened Superman Key Chain sets are valued at $8.
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