Batman: Under The Red Hood reboot

Reason For Casting

 * Batgirl/Barbara Gordon As Emma Stone

Notably movies and TV Series:

Zombieland Franchise

The Amazing Spider-Man Franchise
 * Robin/Tim Drake As Ryan Potter

Notably movies and TV Series:

Titans (TV Series)

Running for Grace (2018)

Supah Ninjas (TV Series)
 * Red Hood/Jason Todd As Colton Haynes

Notably movies and TV Series:

Arrow (TV Series)

Teen Wolf (TV Series)
 * Orphan/Cassandra Cain As Lana Condor

Notably movies and TV Series:

Deadly Class (TV Series)

X-Men: Apocalypse (2016)

Alita: Battle Angel (2019)
 * Black Mask As Nikolaj Coster-Waldau

Notably movies and TV Series:

Game of Thrones (TV Series)

Domino (2019)

3 Things (2017)

Gods of Egypt (2016)
 * David Cain As Jeffrey Dean Morgan

Notably movies and TV Series:

The Walking Dead (TV Series)

Supernatural (TV Series)

The Losers (2010)

Watchmen (2009)
 * Lady Shiva As Kelly Hu

Notably movies and TV Series:

Arrow (TV Series)

X2: X-Men United (2003)

The Scorpion King (2002)

Cradle 2 the Grave (2003)

The Tournament (2009)
 * Mr. Freeze/Victor Fries As Kevin Spacey

Notably movies and TV Series:

Baby Driver (2017)

Superman Returns (2006)

21 (2008)

House of Cards (TV Series)

The Negotiator (1998)
 * Poison Ivy As Olivia Wilde

Notably movies and TV Series:

TRON: Legacy (2010)

Cowboys & Aliens (2011)

The Next Three Days (2010)
 * Two-Face/Harvey Dent As Jon Hamm

Notably movies and TV Series:

The Town (2010)

Baby Driver (2017)

Beirut (2018)

Mad Men (TV Series)
 * Victor Zsasz As Michael Mando

Notably movies and TV Series:

Spider-Man: Homecoming (2017)

Orphan Black (TV Series)
 * Scarecrow/Jonathan Crane As Dan Stevens

Notably movies and TV Series:

Legion (TV Series)

Beauty and the Beast (2017)

The Guest (2014)
 * Nightwing/Dick Grayson As Zac Efron

Notably movies and TV Series:

Baywatch (2017)

17 Again (2009)

The Greatest Showman (2017)
 * Anarky As Adam Driver

Notably movies and TV Series:

Star Wars sequel trilogy
 * Robin/ Young Jason Todd As Nicholas Hamilton

Notably movies and TV Series:

It Franchise

The Dark Tower (2017)

Plot
Young Jason Todd is the son of Catherine Elizabeth and Willis Todd.

Jason had a troubled childhood due to his parents constantly arguing; his mother suffered from depression and drug addiction, and his father had been "showing him the ropes of thievery and conning" at a young age, which led him into trouble.

Once when he was a child, Jason's father stole tickets to Haly's Circus from an old couple in a parking lot, and took Jason to see the show. That was the first time Jason ever saw Dick Grayson, and was positively awed by him.

After Dick Grayson join young justice batman goes to patrol one day when he meet Jason Todd stole the Batmobile's wheels. He is highly skilled in stealing tires from vehicles. Bruce took him in as his own and began training him to replace Dick Grayson as Robin.

As Robin assisted Batman against notable criminals like Victor Zsasz, Penguin and others.

Young Cassie was Trained by her father David Cain to be the ultimate weapon. When Cassandra was eight, Cain took her to carry out a hit in Macau. Cassandra did as her father trained and instructed her to do, and ripped out the throat of a local triad boss. Due to her body-reading ability, she was able to see how death effected the man, and was traumatized by her irreversible sin. Her father came to congratulate her, and she rejected him by delivering an emotional uppercut. Shocked, Cain did not pursue Cassandra when she fled in tears.

Meanwhile, Joker had recently escaped from Arkham Asylum. Joker hijacked a bus full of school student and trapped them in warehouse with bomb. Batman and Robin aka Jason Todd find and rescue them but not before joker catch robin. Joker brutally assaults Robin, in an abandoned warehouse with a crowbar. Jason is locked in the warehouse with a bomb, which explodes and kills him before Batman arrives.

FIVE YEARS LATER

In Gotham City, a vigilante called Red Hood start to killed of Gotham's criminal. Batman and his team consisting of Batgirl and Robin aka Tim Drake try to stop red hood but can't catch him. Analyzing Red Hood's agility and tactics, Batman realizes he's been trained by someone, he's good.

Red hood next target is  Black Mask who controls most of Gotham City's criminal underworld. Black Mask hire Deathstroke to deal with new vigilante red hood. When Batman arrives, the pair defeat Deathstroke, but he escape while fighting Deathstroke red hood was hurt. Batman took A blood sample to find out who is Red Hood; to his surprise batman realize red hood is Jason Todd.

Meanwhile, Lady Shiva come to Gotham looking for Cassie to take her back to league of assassin but David Cain don't that as he saw how shock she was young age and left him with hated. So he contract batman for help. But batman don't want to get in this also he don want league of assassin to operate in Gotham as red hood operating too.

When batman and lady Shiva face off to save Cassie it appear that she know that Red Hood is Jason and know how he become red hood. She told batman that if he hand over her daughter to her she will tell him but batman refuse to make a deal with Lady Shiva and adapt Cassie.

It appear batman put two and two together and realize if Lady Shiva know how Jason was alive then Ra's al Ghul had something to do with it. So he put Batgirl and Robin to protect the city left for infinity island to get answer.

When batman reach infinity island the league attack him when batman tell them that he's here to see Ra's al Ghul not to fight. Talia appear and took him inside ask him why he want to see her father. Batman tell her about Jason; to surprise him Talia tell him that it was her who save Jason and sent him Gotham to see him but she had no idea why he's acting like that.

Batman come back to Gotham to talk to Jason when he was trying to kill black mask. Bruce meets Jason on the rooftops and quickly gives chase to him. Bruce obliges, and brutally beats the living hell out of Jason and save black mask. Bruce tries to talk Jason down, but Jason tells him he's not mad at Bruce for not being able to save him in time, what he's mad at is that the Joker is still alive in Arkham Asylum. But he tell Bruce not to worry as batman can't finish the job then he will finish the job for him and banish from there. Batman realize red hood plan to finish all criminal once of all at Arkham Asylum. black mask was sent to Arkham and He radio batgirl, robin and spoiler to get to Arkham Asylum and find out how red hood able to finish all criminal once for all. meanwhile, As Black mask is being registered into the Cell Block by Commissioner Gordon, he breaks free from a guard and escapes and release some baddest criminal to take over the Arkham. Batgirl, Nightwing, Robin and Orphan head for Arkham to help Gordon and batman go after red hood to reason with him. it is later reveal that red hood and black mask make this plan out before. So black mask could kill his enemy and become godfather but red hood plan to kill black mask later too. Batman try to talk out red hood to stop this madness but he tell batman that he can stop him all he need to choose either he kill him and save the criminal or kill them. Batman was shocked; he tell red hood that he won't do either one of them. The reason he will never kill but if he was ever to cross that line, there would be no going back. Batman and Red Hood face off again while Batgirl, Nightwing, Robin and Orphan help Gordon in Arkham. Red Hood points the gun towards Batman and fires. Batman avoids the bullet, and throws a batarang into the barrel before Red hood can fire another round, causing it to explode in his hand when he does. Thinking it's over, Batman is shocked to find that Red hood sets off a timer for the building to explode. He tries to save red hood, but both fall off the explode building.

Batman save Red Hood in time... Red Hood was shock and ask why batman save him. Batman tell him that he's not loosing him again. Red Hood smile and disappear. At the Arkham; Batgirl, Nightwing, Robin and Orphan stop all the criminal and the bomb from the help from GCPD and commissioner Gordon.

Post Credits Scene
At Gotham Square Garden, A magician just finish a show on stage. when a the light is come one Bruce Wayne approaches to the magician and call her out '' Zatanna...."

Trivia

 * Storyline inspired by 2004 "Batman: Under the Red Hood" comic, 2009 video game "Batman: Arkham Asylum" and 2015 "Batman: Arkham Knight"
 * Red Hood, Black Mask, Deathstroke's mask; all the mask  and Scarecrow costume, Mr. Freeze costume should be motion capture CGI
 * Movie will time jump 5 years
 * Cameo of Joker