History ShoutOut / HowItShouldHaveEnded

** The [[Franchise/PowerRangers]] show up in their Megazord as the clean-up crew.

** [[spoiler:Film/Independence Day Russell Casse]] appears before the Precursors, saying his famous line "[[spoiler:Hello, boys! I'm baaaack!]]" before Gipsy Danger explodes.

** The [[spoiler:Franchise/PowerRangers]] appear in their [[spoiler:Megazord]] as the clean-up crew.

** In TheStinger, another character whose movies both Creator/RonPerlman and Creator/GuillermoDelToro collaborated on bursts out from the dead kaiju baby: [[spoiler:Franchise/{{Hellboy}}]].

** In the Stinger, another character whose movies both Creator/RonPerlman and Creator/GuillermoDelToro collaborated on bursts out from the dead kaiju baby: [[spoiler:Franchise/{{Hellboy}}]].

** In the Stinger, another character that Creator/RonPerlman and Creator/GuillermoDelToro collaborated on bursts out from the dead kaiju baby: [[spoiler:Franchise/{{Hellboy}}]].

** The Category 5 kaiju that emerges from the breach turns out to be [[spoiler:Franchise/Godzilla]], who is immediately slain by [[spoiler:Franchise/Voltron]].
** In the Stinger, another character that Creator/RonPerlman and Creator/GuillermoDelToro collaborated on bursts out from the dead kaiju baby: [[spoiler:Franchise/Hellboy]].

** The [[spoiler:Franchise/Power Rangers]] appear in their [[spoiler:Megazord]] as the clean-up crew.

** In the Stinger, another character that Creator/Ron Perlman and Creator/Guillermo Del Toro collaborated on bursts out from the dead kaiju baby: [[spoiler:Franchise/Hellboy]].

** TheStinger has Mystique shapeshifting into [[Creator/MichaelKeaton Bruce Wayne]] from [[Film/Batman1989 Tim's Burton's Batman film]] when Batman flirts with her and asks if she wants to know his secret identity. This is a reference to ''X-Men: Apocalypse'' being set in the 1980's, which is the same period the film was released.

* "How to Survive an Alien Attack" ends with [[WillSmith Agent J]] boasting that even though he didn't get to help [[TommyLeeJones Agent K]] [[Film/MenInBlack blow up aliens]], he ''did'' help Creator/JeffGoldblum [[Film/IndependenceDay blow up a spaceship.]]

** K-2SO says "I'm a leaf in the wind" twice while frantically escaping from the blast of the Death Star. This is a reference to Hoban Washburne from ''Series/FireFly'', as it is his trademark line. Both characters were played by Alan Tudyk.

** K-2SO says "I'm a leaf in the wind" twice while frantically escaping from the blast of the Death Star. This is a reference to Hoban Washburne from ''Firefly'', as it is his trademark line. Both characters were played by Alan Tudyk.

** K-2SO says "I'm a leaf in the wind" twice while frantically escaping from the blast of the Death Star. This is a reference to Hoban Washburne from ''Series/Firefly'', as it is his trademark line. Both characters were played by Alan Tudyk.

** K-2SO says "I'm a leaf in the wind" twice while frantically escaping from the blast of the Death Star. This is a reference to Hoban Washburne from ''TvSeries/Serenity'', as it is his trademark line. Both characters were played by Alan Tudyk.

** K-2SO says "I'm a leaf in the wind" twice while frantically escaping from the blast of the Death Star. This is a reference to Hoban Washburne from ''Serenity'', as it is his trademark line. Both characters were played by Alan Tudyk.

** K-2SO says "I'm a leaf in the wind" twice while escaping from the blast of the Death Star. This is a reference to Hoban Washburne from ''Serenity'', whose mantra was the same line. Both characters were played by Alan Tudyk.

* The epilogue of ''Civil War'' has Tony ask Steve if he's [[spoiler:a HYDRA agent]]. Steve denies this, then asks, "Why would you think that?" A short time before the video's release, ''ComicBook/NickSpencersCaptainAmerica'' made a ShockingSwerve that would have confirmed Tony's inquiry.

* ''X-Men: Apocalypse''
** [[spoiler:Gandalf]] appears riding an [[spoiler:eagle]] and wearing [[Film/XMen the helmet]] of [[Creator/IanMcKellen Magneto's older self]] telling the police officers about to arrest Magneto and his family that they [[Quotes/YouShallNotPass "shall not harass!"]], causing one startled officer to fire an arrow at [[spoiler:Boromir]].

* [[BillAndTedsExcellentAdventure Ted Logan]] makes a cameo in ''Film/TheMatrix''. (Creator/KeanuReeves starred in both ''Film/BillAndTed's Excellent Adventure'' and ''The Matrix'')

* Davy Jones of Franchise/TheMonkees shows up at the end of ''[[Franchise/PiratesOfTheCaribbean Dead Man's Chest]]'' to tell ''their'' Davy Jones, "I believe you have [[NamesTheSame my]] locker."

* In the epilogue of the second Villain's Pub episode, "To The Tailor", Mystique shapeshifts into the [[Creator/JackNicholson 1989 version of the Joker]].

* In the epilogue of ''Film/Aliens'', the Alien Queen and a Predator meet and fall in love with each other.

** TheStinger has Mystique shapeshifting into [[Creator/MichaelKeaton Bruce Wayne]] when Batman flirts with her and asks if she wants to know his secret identity.

** [[spoiler:Gandalf]] appears riding an [[spoiler:eagle]] and wearing [[Film/XMen the helmet]] of [[Creator/IanMcKellen Magneto's older self]] telling the police officers about to arrest Magneto and his family that they [[Quotes/YouShallNotPass "shall not harass!"]], causing one startled officer to fire an arrow at [[spoiler:Creator/SeanBean Boromir]].

** [[spoiler:Film/TheLordOfTheRings Gandalf]] appears riding an [[spoiler:eagle]] and wearing [[Film/XMen the helmet]] of [[Creator/IanMcKellen Magneto's older self]] telling the police officers about to arrest Magneto and his family that they [[Quotes/YouShallNotPass "shall not harass!"]], causing one startled officer to fire an arrow at [[spoiler:Creator/SeanBean Boromir]].

** [[spoiler:Creator/IanMcKellen Gandalf]] appears riding an [[spoiler:eagle]] and wearing [[Film/XMen the helmet of Magneto's older self]] telling the police officers about to arrest Magneto and his family that they [[Quotes/YouShallNotPass "shall not harass!"]], causing one startled officer to fire an arrow at [[spoiler:Creator/SeanBean Boromir]].

** [[spoiler:Creator/IanMckellen Gandalf]] appears riding an [[spoiler:eagle]] and wearing [[Film/XMen the helmet of Magneto's older self]] telling the police officers about to arrest Magneto and his family that they [[Quotes/YouShallNotPass "shall not harass!"]], causing one startled officer to fire an arrow at [[Creator/SeanBean Boromir]].

* In the epilogue of the second Villain's Pub episode, "To The Tailor", Mystique shapeshifts into the [[Creator/Jack Nicholson 1989 version of the Joker]].

** [[Creator/Ian Mckellen Gandalf]] appears riding an [[spoiler:eagle]] and wearing [[Film/XMen the helmet of Magneto's older self]] telling the police officers about to arrest Magneto and his family that they [[Quotes/YouShallNotPass "shall not harass!"]], causing one startled officer to fire an arrow at [[Creator/Sean Bean Boromir]].

** TheStinger has Mystique shapeshifting into [[Creator/Michael Keaton Bruce Wayne]] when Batman flirts with her and asks if she wants to know his secret identity.

** [[spoiler: Creator/Ian Mckellen Gandalf]] appears riding an [[spoiler:eagle]] and wearing [[Film/XMen the helmet of Magneto's older self]] telling the police officers about to arrest Magneto and his family that they [[Quotes/YouShallNotPass "shall not harass!"]], causing one startled officer to fire an arrow at [[spoiler: Creator/Sean Bean Boromir]].

** TheStinger has Mystique shapeshifting into [[spoiler: Creator/Michael Keaton Bruce Wayne]] when Batman flirts with her and asks if she wants to know his secret identity.

** [[spoiler:Creator/Ian Mckellen Gandalf]] appears riding an [[spoiler:eagle]] and wearing [[Film/XMen the helmet of Magneto's older self]] telling the police officers about to arrest Magneto and his family that they [[Quotes/YouShallNotPass "shall not harass!"]], causing one startled officer to fire an arrow at [[spoiler:Creator/Sean Bean Boromir]].

** TheStinger has Mystique shapeshifting into [[spoiler:Creator/Michael Keaton Bruce Wayne]] when Batman flirts with her and asks if she wants to know his secret identity.

* ''Film/IndianaJonesAndTheKingdomOfTheCrystalSkull'' includes Spielberg and Lucas hiding a script for ''Film/BladeRunner 2'' from [[Creator/HarrisonFord Indy]].

** Jim Gordon's wife sees [[Series/GameOfThrones King Joffrey]]. Creator/JackGleeson appeared in a film as a kid who talked to Batman and is later saved by Rachel Dawes.

* "Lego Batman is Jelly", the series' third parody of ''WesternAnimation/TheLEGOMovie'', references two [[Series/ParksAndRecreation other]] [[Film/GuardiansOfTheGalaxy things]] featuring Emett's voice actor, Creator/ChrisPratt. [[spoiler:The video reveals that he has spent so much time working out, he turned into Star-Lord. After revealing his new bod to Batman and Wyldstyle, he proclaims, "I've come a long way from the days when I hung out at the park for recreation", while a flashback of his unfit self playing banjo at the park appears.]]