Codename: Kids Next Door/Avengers: Endgame (2019)

Cast

 * Numbuh 1 as Captain America/Steve Rogers
 * Numbuh 2 as Bruce Banner
 * Numbuh 3 as Scarlet Witch/Wanda Maximof
 * Numbuh 5 as Black Widow/Natasha Romanoff
 * Numbuh 9/Maurice as Black Panther/T'Challa
 * Numbuh 274/Chad Dickson as White Wolf/Bucky Barnes
 * Trevor as Spider-Man/Peter Parker
 * The Kid as Iron Man/Tony Stark
 * Numbuh 10 as Rescue/Pepper Potts
 * Henrietta von Marzipan as Maria Hill
 * Numbuh 60 as Nick Fury
 * Numbuh 1-Love as War Machine/James Rhodes
 * Numbuh 275 as Ant-Man/Scott Lang
 * Numbuh 51 as Hawkeye/Ronin/Clint Barton
 * Rolf (from Ed, Edd, n Eddy) as Doctor Strange
 * Jonny (from Ed, Edd n Eddy) as Wong
 * Nazz (from Ed, Edd, n Eddy) as Gamora
 * Ed (from Ed, Edd, n Eddy) as Groot
 * Edd (from Ed, Edd, n Eddy) as Rocket Raccoon
 * Eddy (from Ed, Edd, n Eddy) as Drax
 * May Kanker (from Ed, Edd, n Eddy) as Mantis
 * Marie Kanker (from Ed, Edd, n Eddy) as Nebula
 * Grandfather as Thanos
 * Stickybeard as Cull Obsidian
 * Knightbrace as Ebony Maw
 * Toilenator as Corvus Glaive
 * Soccer Mom as Proxima Midnight

TV Tropes

 * Berserk Button: After being brought back to life, Numbuh 3 is mad at Grandfather for ripping the Mind Stone out of Numbuh 4's head.
 * Earth Is a Battlefield: After their Climatic Battle Resurrection, Numbuh 3, Ed, Eddy, and Trevor among other snap victims assist Numbuh 1, 2, Marie, Edd, Numbuh 51, The Kid, and Numbuh 275 when they struggle to defeat Grandfather on their own.
 * Heroic Sacrifice: The Kid sacrifices himself to defeat Grandfather once and for all.