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 Batman Key Chain set 853591 was released in June 2016, retailing for $6, but has since been retired. New, unopened Batman Key Chain sets are valued at $9, while used sets can be found for $7 in good condition.
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