During RTX Austin 2022 , Rooster Teeth announced thatRWBYwould be getting its first full - length movie - and that it was going to be a crossover voter pic with theJustice League . Previously , the two franchises crossed over in 2021’sRWBY x Justice Leaguecomic series , and this new film will exposit on that comic .

In the original comedian , fans were put in to Remnant versions of characters such as Bruce Wayne , Clark Kent , Diana Prince , and Barry Allen . With the movie set to expand on the comedian ’s story , it give the door to potentially see otherDCcharacters make appearing - both bomber and villain .

Nightwing

Nightwing has spent many years act as Batman ’s sidekick and ally in DC Comics . This makes him the thoroughgoing nominee to become Bruce Wayne ’s sidekick in Remnant .

Related:10 Things Only Comic Book Fans Know About Batman And Nightwing ’s Relationship

While Bruce Wayne is only a teenager like Team RWBY in the comedian , it would n’t be surprising for him to enrol a close admirer like Dick Grayson to aid him and the Justice League struggle enemy threatening Remnant .   With Nightwing being the first of Batman ’s sidekicks , it only make up sense that he would be the first   sidekick once again in this upcoming movie .

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Lex Luthor

The competition between Lex Luthor and Supermanis eff to be fabled throughout DC comic strip . It would come as no surprisal if Luthor not only appears in the film but also do as its master opponent .

As a foil to Superman , Luthor would be a perfect enemy for the League to fight .   He ’s both extremely intelligent and pertinacious , a trait that several villains in RWBY part , such as Arthur Watts and Roman Torchwick . With access to vast resources in the funnies , it would n’t be surprising if Luthor evince up in Atlas with a off-white to pick with the League - especially after the late threat have by Starro .

Shazam

Thanks to his recent movie , Shazam is often escort as both a popular and a core member of the Justice League , which would make his visual aspect in this motion picture probably .

In his kid form , Billy Batson , Shazam might form a association with one or more of the girls on Team RWBY . Blake , in particular , has had trouble making worthwhile connective with other the great unwashed and is reluctant to open up up to the great unwashed . Shazam ’s childish nature as well as his troubled history with family might help oneself her sense comfortable talking about her past times .

The Joker

perchance the large villain ever to embellish the varlet of DC Comics , Joker has proven his versatility and his insanity on more than one occasion , make him a perfect candidate to make an show in this flick .

Related:10 Worst Things Joker Ever Did To Batman In The Comics

mad serial killers have appeared in RWBY before , such as Tyrian Callows . Joker would correspond correctly at household with the likes of him , perhaps even being enliven by him to start kill to reap Batman ’s attention . As for a Semblance , it would probably have something to do with laughter - perhaps being able to force victims to laugh themselves to death . If he were to show up , the Justice League - and peradventure even Team RWBY - would have their deal full .

Sidious, Tyranus, Maul, and Vader.

Supergirl

Clark Kent already exist in Remnant , which afford the door for his full cousin , Kara , to also make an coming into court in the approaching movie .

While Clark never mentioned make a cousin to Team RWBY , Kara could well be a hugger-mugger cousin that he never bang he had , left behind from wherever he ’s from . This might link into the secret plan of the film as well and give something for Clark himself to crusade for if he visualise out someone from his family is in risk . At leastKara wo n’t have   a double life to concealin this world .

Poison Ivy

Poison Ivy has n’t had much moving picture screentime sinceBatman and Robin , but fans have been wanting to see her in the sequel toThe Batman . Even so , she would tally right at nursing home in Remnant .

Unlike many eccentric , Poison Ivy ’s plant controlling power are easily adaptable into a Semblance , particularly when there are plenty of woods and woodlands for her to attend out in and protect from interlopers . While she may not be the main villain in the movie , she could still play a role as an ally to the scoundrel - or perhaps even an ally to the Justice League and Team RWBY .

Hawkgirl

Hawkgirl has n’t receive much sexual love on screen in late years . So an coming into court in theRWBY x Justice Leaguemovie could be the perfect clip for her to shine .

Her hawk wings already make her perfect for adjust into a Faunus . But   she would suit right in with the other Faunus members of the Justice League like Bruce Wayne and Barry Allen . As an alien as well , Hawkgirl could fall into fight with Jessica Cruz , who may see her as a scourge to Remnant much like Starro was . Either mode , her battle - indurate nature would be a vast plus to the Justice League .

Ra’s Al Ghul

The leader of the League of Assassins has always been a knock-down foe for Batman in DC cartoon strip . In Remnant , he could be an even adult menace to the Justice League .

Related : Ra ’s Al Ghul ’s 10 Best Quotes In Batman Begins

Secret groups not unlike DC ’s League of Assassins have existed for both wedge and villains in RWBY . Ra ’s   mathematical group of assassin could be like Ozpin ’s group or Salem ’s inner circle ; a radical lurking in the phantom , work behind the picture to eliminate threat to his design . The Justice League , or perchance even Team RWBY , seem probable targets for him and his assassins - particularly if they see too much .

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Hal Jordan

As established by Jessica Cruz , the Green Lantern Corp be somewhere in space as a group of galactic guardians . This opens the doorway for an appearance from the Corp ’s most famous member .

Hal Jordan could wait on as Jessica ’s mentor and flight simulator , but if he show up , it could be because an even bigger menace than Starro could be on its room . The Green Lanterns have fought many powerful , shuddery villainsin DC Comics ;   one of them could be fall to Remnant to either conquer or ruin the reality , pressure Hal to ill-use in and assist the League if the threat becomes too great for them to fight on their own .

Brainiac

Brainiac is one of the most knock-down villain in DC Comics - and the perfect campaigner to be the main villain in the movie .

In Remnant , Atlas has been noted to have the most advanced technology in the humans . It ’s entirely possible that Brainiac could be a task in growing that goes completely faulty and starts to take ascendence of everything . A threat like this would involve the Justice League to step in and assist . With how reliant everyone in Remnant is on engineering , Brainiac could pose an even bigger threat than Salem herself .

Next : The 10 Best Justice League Characters , According To Ranker

DC-Characters-That-Could-Appear-In-The-RWBY-Justice-League-Movie

Nightwing’s-Most-Brutal-Attack-Just-Officially-Became-His-Signature-Move-Featured

Lex Luthor smirking in DC Comics

Billy Batson transforming into Shazam in the sky

Comic book joker laughing maniacally

Supergirl glying and smiling in DC Comics.

Poison Ivy turning around in DC Comics.

Hawkgirl from Justice League the animated series

Ras Al Ghul in DC Comics

Green Lantern Hal Jordan DC Comics

Brainiac meets Superman in DC Comics

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