Marvel’s What If…? series gave fans plenty of alternate takes on beloved heroes, but none were quite as chilling as the zombie outbreak. Seeing characters like Captain America, Iron Man, and Scarlet Witch stripped of their humanity and reimagined as undead predators turned the familiar into something terrifying. The mix of classic superhero elements with decaying flesh and grotesque transformations struck a perfect balance of comic book spectacle and horror atmosphere. Now, with it just announced that Disney + will have a full Marvel Zombies animated show, it’s the perfect time to reexamine your favorite superhero costume with a touch of the grotesque.
For fans looking to stand out at Halloween or cosplay events, the zombie versions of Marvel icons are some of the most creative costumes you can tackle. They give you the opportunity to blend superhero suits, armor, and accessories with the gory fun of prosthetics, contacts, and makeup effects. The result is a costume that is instantly recognizable, but with a gruesome twist that will set you apart from the usual capes and cowls.
Zombie Captain America
In What If…?, Captain America is one of the most terrifying zombie heroes. Once the patriotic leader of the Avengers, Steve Rogers falls victim to the infection during a mission and returns as a shambling corpse, still wielding his iconic shield. What makes him particularly frightening is that he retains fragments of his combat skill, making him both relentless and lethal. His decayed face paired with his battered uniform turns the star-spangled hero into a chilling nightmare.
How to Dress as Zombie Captain America
- Battle-damaged Captain America jumpsuit or bodysuit
- Distressed Captain America shield with painted “blood” effects
- Torn latex prosthetics for a half-rotted cheek or exposed jaw
- White-out contact lenses for a lifeless stare
- Fake blood around the mouth and chin, applied to look smeared mid-feast
- Mud and dirt powder rubbed into the costume for a grave-risen look
Zombie Spider-Man
Spider-Man Ultimate Cosplay Adult Costume
Spider-Man’s zombie version is tragic because his youthful energy and sense of humor are erased by the infection, leaving only hunger and instinct. His acrobatics and web-slinging abilities remain intact, making him as dangerous undead as he ever was alive. A rotting mask, torn red-and-blue suit, and grotesque facial details transform the friendly neighborhood hero into something terrifyingly unrecognizable.
How to Dress as Zombie Spider-Man
- Spider-Man bodysuit with shredded fabric at the chest and legs
- Torn mask with exposed latex prosthetics around the mouth and jawline
- Cloudy contact lenses for a hollow, lifeless gaze
- Painted-on veins in purple and black stretching across arms and neck
- Fake blood webbing details splattered across the costume
Zombie Iron Man
Tony Stark’s zombie appearance fuses horror with technology. His Iron Man armor remains partly functional, but his rotting flesh pokes through the battered suit, illuminated by the eerie glow of the arc reactor. Infected and mindless, he still uses his repulsors, which makes him as deadly as ever. The contrast between sleek tech and decomposing flesh makes him stand out among the undead Avengers.
How to Dress as Zombie Iron Man
- Iron Man armor costume or chest piece with glowing arc reactor prop
- Burnt and torn latex prosthetics to mimic scorched flesh near armor edges
- One glowing LED eye piece paired with makeup darkened around the other socket
- Black tooth enamel or stained teeth makeup for a charred grin
- Melted or torn sections of armor painted with grays, greens, and reds for rot
Zombie Scarlet Witch
Few transformations in What If…? are as horrifying as Wanda Maximoff’s. She retains her chaos magic even in her undead state, which turns her into an unstoppable predator. Her gaunt face, cracked lips, and glowing red eyes paired with her disheveled cloak create an image of dark sorcery merged with decay. Scarlet Witch as a zombie is both tragic and terrifying.
How to Dress as Zombie Scarlet Witch
- Scarlet Witch headpiece and a distressed red bodice or cloak
- Peeling latex effects around the mouth and cheeks for skin slippage
- Red glowing or light-enhanced contact lenses
- Veins painted in branching patterns across the neck and arms with alcohol-based makeup
- Fake blood streaked across the fingertips to suggest fresh feeding
Zombie Falcon
Fallen Angel Mask & Wings Set
Sam Wilson’s zombified look blends flight with feral horror. His wings are shredded, yet still dangerous, while his infected body shows signs of decay. Stripped of his smooth confidence, Zombie Falcon is a predator in the skies, swooping down with torn flesh and tattered gear.
How to Dress as Zombie Falcon
- Falcon flight harness with DIY torn or damaged foam wings
- Red visor or goggles, cracked and dirtied with paint effects
- Torn cheek prosthetic showing teeth beneath the skin
- Clouded sclera contact lenses for a dead-eyed flight look
- Bruising makeup stippled on the face and arms, with smeared black and crimson across wings
Zombie Doctor Strange
The Sorcerer Supreme becomes something ghastly in his zombified state. His once-proud cloak is ragged, his face gaunt and cracked, and his powers twisted by the infection. Still wielding mystic energy, he looks more like a corpse brought back by forbidden magic than a hero of Earth.
How to Dress as Zombie Doctor Strange
- Red Cloak of Levitation with frayed edges and a weathered blue tunic
- Rigid collodion to create cracked fissures on the cheeks and forehead
- One LED or glowing contact lens contrasted with a pale zombie lens in the other eye
- Green shading at the temples for necrotic skin tones
- Dried blood painted into beard stubble and around the lips
Zombie Thor
The Avengers Endgame Thor’s Hammer Child Prop
Thor’s transformation into a zombie feels like the fall of a god. The Asgardian prince, once full of might and majesty, becomes a decaying warrior wielding Mjolnir with undead fury. His golden hair turns ragged, his skin mottles with infection, and his armor becomes dented and bloodstained. The power of thunder fused with the horror of the undead makes this version of Thor both epic and gruesome.
How to Dress as Zombie Thor
- Thor armor or muscle suit with a battered chest plate and cape ripped at the edges
- Mjolnir prop smeared with crimson paint for a gory effect
- Long blond wig teased and matted with faux dirt and fake blood
- Latex prosthetic wounds applied to the cheek and forehead
- Bluish-gray body paint along arms and neck to create a necrotic Asgardian look
Zombie Hulk
The Hulk as a zombie is a terrifying prospect because his regenerative powers clash with the infection, leaving him monstrously oversized but still rotting. His green skin turns gray and blotchy, his muscles remain enormous, and his rage is fueled by an endless hunger. The sight of an undead Hulk smashing through survivors in What If…? is pure nightmare fuel.
How to Dress as Zombie Hulk
- Green bodysuit or muscle padding distressed with exposed foam latex wounds
- Tattered purple pants with shredded hems
- Zombie prosthetic teeth or stained enamel to exaggerate a grotesque snarl
- Pale contact lenses for an otherworldly, undead stare
- Gray shading over green body paint to show necrotic decay
Zombie Loki
65″ Loki Avengers Chitauri Scepter Foam Prop | Ben Nye FX Tooth Color Paint
Loki’s infection takes his mischievous charm and twists it into something crueler. His once-slick demeanor becomes a feral sneer, and his iconic green-and-gold attire turns ragged. The horns of his crown jut out like the skeletal remains of a fallen trickster god, and his eyes glow with undead malice.
How to Dress as Zombie Loki
- Green and gold Loki armor with a cracked or dented horned helmet
- Latex peeling skin effects around the mouth and cheeks
- Long black wig streaked with gray and faux dirt
- Pale contact lenses for a cold, hungry gaze
- Green and purple makeup shading on the neck and jawline for a bruised, corpse-like finish
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