The Lion King IV: A Tale of Two Lions

The Lion King IV: A Tale of Two Lions is a direct sequel to The Lion King II: Simba's Pride and is the fourth film in the Lion King franchise. It takes place after The Lion Guard.

Plot
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Cast

 * Tobey Maguire as Kopa, Simba's long lost son and Kiara and Kion's older brother. He is the king of Ndona Pride.
 * Emma Stone as Mara, Nuka's adopted daughter and Kopa's love interest.
 * Peyton List as Adanna, Akunna's twin sister.
 * Tye Sheridan as Akunna, Adanna's twin brother.
 * Matthew Broderick as Simba, the King of the Pride Lands.
 * Cory Edwards as Pimbi, one of Kopa's friends.
 * Nathan Lane as Timon
 * Ernie Sabella as Pumbaa
 * Julie Kavner as Timon's mom.
 * Ben Stiller as Max, Timon's uncle.
 * James Earl Jones as Mufasa; the spirit of Simba's late father; the older brother of Scar; Kopa, Kion & Kiara's grandfather, and the previous King of the Pride Lands.
 * Khary Payton as Rafiki, the wise old mandrill shaman of the Pridelands.
 * Rowan Atkinson as Zazu, a traitor.
 * Jeremy Irons as Scar, Mufasa's younger brother, Simba's evil uncle and Kopa, Kion & Kiara's great uncle. Through Scar does not actually appear in the main body of the movie itself, he appears briefly in Simba's nightmare. (Reused footage from The Lion King II: Simba's Pride)
 * Jason Marsden as Kovu, future king of the Pridelands.
 * Moira Kelly as Nala, the Queen of the Pridelands.
 * Max Charles as Kion, the King of the Tree of Life.
 * Aaron Daniel Jacobs provides Kion's singing voice.
 * Peyton Elizabeth Lee as Rani, the Queen of the Tree of Life and leader of the Night Pride.
 * Lana McKissack provides Rani's singing voice.
 * Andy Dick as Nuka, Zira's son and Taka and Mara's father. He is revealed to have survived the falling logs in The Lion King II: Simba's Pride.
 * Jennifer Lien as Vitani, Zira's daughter and the current leader of the Lion Guard.
 * Neve Campbell as Kiara, the future queen of the Pride Lands and Kovu's mate.
 * Jason Marsden as Kovu, the future king of the Pride Lands.
 * Dwayne Johnson as "Old Fearless" Buzz, Timon's long lost father.
 * Idris Elba as Boma.
 * Tom Holland as Taka, Mara's adopted younger brother. He is Nuka's only biological child.

Songs
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Trivia

 * Each film in the Lion King franchise is based on Shakespeare. The Lion King and The Lion King 1 1/2 are based on Hamlet, The Lion King II: Simba's Pride is based on Romeo & Juliet, and The Lion King IV: A Tale of Two Lions is based on Twelfth Night.
 * The title is a node to the Lion King book, A Tale of Two Brothers in which Kopa made his debut.
 * Mara's name come the Igbo word for charming, "Mara mma".
 * "Old Fearless" Buzz was based on "Old Fearless" Buzz and Timon's Dad which were originally supposed to be in The Lion King 1 1/2 before they were scrapped to cut down on the number of characters.
 * Ndona Pride is based on the scrapped version of Simba's Pride of the same name from King of the Jungle (the original version of The Lion King).
 * Ben Stiller is the son of Jerry Stiller, the original actor for Max.
 * Taka was Scar's original legal name in A Tale of Two Brothers. This is however not canon as Scar's legal name is Askari II according to Ford Riley, the creator of The Lion Guard.