Lex Luthor Makes Surprise Appearance in Peacemaker Season 2 Episode 6, Tightening DCU Crossovers
Nicholas Hoult’s Lex Luthor appears in Belle Reve to aid Rick Flagg Sr. and set up further ties to Superman’s world, as crossovers intensify across DC Studios projects.
Lex Luthor makes a surprise appearance in Peacemaker Season 2 Episode 6, a development that deepens the crossovers tying HBO Max’s DC universe to the broader Superman mythos. The episode centers on Rick Flagg Sr. racing to locate Peacemaker and his team after their dimension-opening portal goes awry, prompting him to turn to a prisoner at Belle Reve for help. The prisoner is Lex Luthor, portrayed by Nicholas Hoult, whose familiarity with alternate realities becomes a crucial bargaining chip in a tense exchange that could shift the balance of the ongoing mission.
In a sequence set inside Belle Reve, Flagg confronts Lex and presses him for information about Peacemaker’s whereabouts. Lex reveals that he has access to weapons and technology that could aid in tracking the group, but he will only disclose what he knows if Flagg agrees to a trade. The deal leads to Lex’s relocation to Van Kull, a separate supermax facility outside Metropolis, and binds Flagg and ARGUS to a fragile partnership with the DC villain. The development hints at broader ambitions for Lex’s role in the Superman narrative set to unfold in theaters, including the ongoing Man of Tomorrow storyline.
The episode’s surprising crossover is part of a larger pattern this season: characters associated with Superman’s world have begun appearing across Peacemaker and related DC projects. Earlier in the season, Hawk Girl, Green Lantern, and Maxwell Lord were depicted as their Superman-aligned counterparts, reinforcing a shared universe approach under James Gunn’s DC slate. Industry chatter has also circulated around the possibility that Superman actor David Corenswet may guest star in Episode 7 or Episode 8, given that the productions were filmed in sequence and a social post from Danielle Brooks hinted at a connection with the actor. Whether these hints materialize into a formal cameo remains to be seen, but the alignment is clear: the DCU is increasingly interwoven across its live-action offerings.
For fans watching Peacemaker’s Season 2, the Lex Luthor reveal arrives as a turn that broadens the show’s scope while anchoring it to a larger cinematic continuity. The appearance also echoes a long-running DC pattern of cross-pollination between television and film projects, underscoring Warner Bros. Discovery’s strategy to thread the universe together through notable cameos and shared threats.
The first six episodes of Peacemaker Season 2 are now available to stream. New episodes drop on HBO Max at 9 p.m. ET. For new subscribers, HBO Max offers plans starting at $9.99 per month with ads, while an ad-free option runs $16.99 per month. Prime Video subscribers can access a seven-day free trial, and some viewers may consider bundles that combine Disney+, Hulu, and HBO Max, which start at $16.99 per month with ads and $29.99 without ads. As the DCU network of crossovers expands, viewers can expect ongoing developments to unfold across multiple projects in the coming weeks.