Heroes vs. Villains (wjacob1000 style)

Round 1:

 * 1) The Mario Brothers vs. Hades
 * 2) Goku vs. Bowser
 * 3) Alucard vs. Roman Torchwick
 * 4) Yugi Muto vs. Pete
 * 5) Optimus Prime vs. Dr. Eggman
 * 6) Ryuko Matoi vs. Raditz
 * 7) Epilogue

Round 2:

 * 1) Hercules & Kid Muscle vs. Gaston
 * 2) X-Ray & Vav vs. Syndrome
 * 3) Simon The Digger vs. Starscream
 * 4) Kirito & Asuna vs. Octacon
 * 5) Interlude
 * 6) Sonic vs. Seto Kaiba
 * 7) Tatsumi vs. Tubalcain Alhambra
 * 8) Thailog vs. King K. Rool
 * 9) Ruby Rose vs. Dark Ace
 * 10) The Scarlet Night [takes place 3 years before the war] (featuring in order of appearance: Megatron, Starscream, Kirby, Future Trunks, Dr. Gero/Android 20, Locus, Felix, Velvet Crowe, Nui Harime, Mercurymon, Marik Ishtar, Ishizu Ishtar, Zero, The Black Knights, Samus Aran, Laphicet Crowe, & Artorious Collbrande)
 * 11) Epilogue

Round 3:

 * 1) Prologue
 * 2) The Reds & Blues vs. Eleanor Hume, Lugnut & Blitzwing
 * 3) Sonic & Tails vs. King Dedede
 * 4) Terry "The Grand" Kenyon & Shizuo Heiwajima vs. Vegeta & Nappa
 * 5) The Mario Brothers & Kirby vs. Jan Valentine
 * 6) Donkey Kong & Diddy Kong vs. Queen Of Hearts
 * 7) Interlude
 * 8) Sora vs. Locus
 * 9) Optimus Prime vs. Kevin Mask
 * 10) Samus Aran vs. Oscar Dragonia
 * 11) Prison Break Part 1: (featuring in order of appearance: Kid Muscle, Kamina, Blake Belladonna, Adam Taurus, Seres, Luke Valentine, Velvet Crowe, Agent Washington, Dr. Nefarious, Gunmen, & Satsuki Kiryuin)
 * 12) Prison Break Part 2: Velvet Crowe, Agent Washington & Kamina vs. Satsuki Kiryuin, Dr. Nefarious, & Luke Valentine (also featuring Seres, Kid Muscle, Blake Belladonna, Magilou, & Rokurou Rangetsu)
 * 13) Epilogue

Round 4

 * 1) Prologue
 * 2) Kirito vs. Grumblemon (also featuring Sachi)
 * 3) Jake Long vs. Ravess & Snipe
 * 4) Yugi Muto & Mickey Mouse vs. Bowser
 * 5) The Storm Hawks vs. Huntsman & Huntsgirl
 * 6) Ryuko Matoi & Emil Castagnier vs. Shan Yu (also featuring Marta Lualdi & Mako Mankanshoku)
 * 7) Eizen vs. Captain Hook (also featuring Peter Pan)
 * 8) X-Ray & Vav vs. Army of Monokumas (also featuring Komaru Naegi)
 * 9) Epilogue

Round 5

 * 1) Prologue
 * 2) Teenage Mutant Ninja Turtles vs King K. Rool & his army
 * 3) Samus Aran vs. The Mad King
 * 4) SuperMarioGlitchy4 vs. Viral
 * 5) Mulan vs. Bonz (also featuring Bandit Keith & Celty Sturluson)
 * 6) Aladdin vs. Bakura
 * 7) Akame vs. Alexander Anderson
 * 8) Komaru Naegi vs. SuperMarioGlitchy3
 * 9) Alucard vs. Eleanor Hume, Blitzwing, & Lugnut
 * 10) Asuna vs. Roman Torchwick
 * 11) Epilogue