Jared Padalecki reunites with Supernatural co-stars Jensen Ackles and Misha Collins on The Boys season finale

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• 🔥 Quick Facts
• The Supernatural Reunion Nobody Expected in The Boys Finale
• Who Are Mister Marathon and Malchemical in This Apocalyptic Battle
• The Celebrity Cameo Episode That Becomes a Bloodbath
• How Padalecki and Collins Meet Their Gruesome End
• What Does This Supernatural Reunion Mean for The Boys Final Episodes?
  • Sources

Jared Padalecki just lived every fan’s dream. The Supernatural star reunited with Jensen Ackles and Misha Collins in The Boys season 5 finale. This wildly anticipated crossover transforms episode 5 into absolute chaos, and nobody saw it coming.

The Supernatural Reunion Nobody Expected in The Boys Finale

For years, Supernatural fans dreamed of seeing Padalecki, Ackles, and Collins share screen time again. That moment finally arrived in The Boys season 5’s fifth episode. The reunion turned out to be spectacularly gory and darkly comedic. Jensen Ackles had already been part of the series as Soldier Boy, the cryogenically frozen supe awakened by Homelander. Now his former castmates arrived as dueling supes with tragic fates.

The chemistry between the three actors was unmistakable during filming. Ackles told Entertainment Weekly that takes were constantly ruined because the actors couldn’t keep their composure. The sequence was deliberately designed to be shocking and ridiculous, playing into Kripke‘s signature blend of horror and dark humor.

Who Are Mister Marathon and Malchemical in This Apocalyptic Battle

Padalecki’s Mister Marathon is a speedster supe who lost his position in the Seven to A-Train. He’s now running a sketchy operation, dealing in black market V1 and hosting dangerous poker games with desperate celebrities. Collins’ Malchemical can produce deadly poisonous gases from his breath. Both supes are far from Vought’s elite circles, reduced to underworld schemes.

In the comics, Mister Marathon met an early, brutal death when Homelander crushed his head during a plane rescue attempt. The show gives him more agency but an equally horrifying fate. Malchemical, meanwhile, is drastically downplayed from the source material, where he was an overpowering shapeshifter with near-unlimited forms and devastating abilities.

The Celebrity Cameo Episode That Becomes a Bloodbath

The episode opens with Homelander and Soldier Boy crashing an exclusive Hollywood poker game. What unfolds is pure satirical mayhem featuring Seth Rogen, Kumail Nanjiani, Christopher Mintz-Plasse, Craig Robinson, and Will Forte. These A-list cameos bicker about careers, the Starlighter movement, and their own survival instincts. The tone shifts instantly when Soldier Boy realizes Marathon and Malchemical won’t pledge loyalty.

Scene Element	Details
Setting	Luxurious Hollywood mansion during underground poker game
Main Confrontation	Soldier Boy vs. Mister Marathon with celebrity obstacles inserted
Outcome	Complete massacre of all celebrities and both supes
Tone	Brutally gory mixed with sitcom-style irony and dark humor

“The hilarity of filming the sequence was incredible. There were so many takes ruined because of people breaking and not being able to keep their composure, but once we got the takes we needed, it was absolutely wild and fantastic.”

— Jensen Ackles, Actor and Soldier Boy portrayer

How Padalecki and Collins Meet Their Gruesome End

Malchemical dies first, his poison gas briefly incapacitating even the unstoppable Homelander. This shock demonstrates real danger before the final reckoning. Mister Marathon pursues Soldier Boy at superhuman speed through the mansion corridors. In a diabolically clever tactic, Ackles’ character places each celebrity directly in Marathon’s path, using their bodies as obstacles. Every single A-lister perishes in the chaos.

Marathon’s final death is brutal poetry: Homelander himself delivers the coup de grace by stomping on his head, mirroring the character’s comic book demise. Padalecki emerges drenched in blood and viscera from his brief but unforgettable appearance. The entire sequence balances extreme violence with dark comedy that defines The Boys aesthetic perfectly.

What Does This Supernatural Reunion Mean for The Boys Final Episodes?

This episode confirms Kripke’s commitment to delivering maximum shock value in the series finale. The finale airs May 20, 2026, with mounting pressure for a satisfying conclusion. This ‘cameo-palooza’ episode raises stakes by showing how completely Homelander controls outcomes. Even organized resistance crumbles instantly. The episode answers where Padalecki’s condition to join was met: he got a real role, not just a walk-on.

Fans celebrated seeing the Winchester brothers share screen time one more time. Yet their deaths in The Boys universe carried weight and purpose beyond nostalgia. The reunion wasn’t fan service alone, it was narrative brutality wrapped in dark comedy that honors both the actors and the series’ tone. Three seasons after Ackles arrived, the full Supernatural trio finally converged.

Sources

• Entertainment Weekly – Inside the Supernatural reunion on The Boys season 5 and its cameo-palooza episode
• Decider – The Supernatural Reunion Finally Happens on The Boys with full episode recap
• Yahoo Entertainment – Misha Collins and Jared Padalecki’s The Boys Season 5 characters explained