WARNING: This article contains SPOILERS for Peacemaker and The Falcon And The Winter Soldier
Peacemaker's titular anti-hero is the DCEU's answer to The Falcon And The Winter Soldier's John Walker with a better character arc. Both have been proven to share many similarities as characters. However, based on how their stories play out, the former so far has a key advantage.
On a surface level, Peacemaker and John Walker act as stand-ins for a commentary on hardcore American Exceptionalism. They are shown engaging in morally questionable to outright villainous acts for the sake of preserving their country's status in the world. Despite the things they have done, however, Peacemaker and The Falcon And The Winter Soldier see both characters end their stories on rather positive notes.
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Despite the similarities shared between the two, Peacemaker's character arc in his show succeeds where John Walker's arc in The Falcon And The Winter Soldier stumbles. This is because, between The Suicide Squad and Peacemaker, James Gunn and his crew allow the audience to truly get to know him as he is fleshed out beyond his borderline irredeemable role in the former film. By contrast, Walker's arc is placed in an (as of now) six-episode miniseries, where several other storylines are competing for screentime in a relatively short amount of time. This leaves the culmination of his arc feeling incredibly rushed and the character feeling much more one-dimensional when compared to Cena's well-rounded Peacemaker.
Peacemaker's role in The Suicide Squad leans farther into the villainous side. While viewers get glimpses of his more likable qualities sprinkled throughout
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