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This is similar to The BatmanColdOpen, only it's used for teams, particularly the Comicbook/XMen. Usually depicted in a training room situation, this trope often sees a team practicing for actual combat, using [[AttackPatternAlpha various strategies barked out]] by their [[StandardizedLeader Strait-Laced Leader]]. The scene is designed to have each member show off their particular abilities--be they mutant powers, or cool gadgetry or weaponry--as well as [[EstablishingCharacterMoment reveal some aspect of each member's personality]] through short quips and pithy comments.

A common variant is to begin [[ActionPrologue in the middle of a battle]], fighting against some old foe. Everything's going smoothly until, suddenly, [[AnyoneCanDie someone dies]]. [[UnwinnableTrainingSimulation The simulated nature of the battle]] [[ProsceniumReveal is revealed]].

Other variants include [[BaseballEpisode playing baseball]], wherein powers are out of bounds--until somebody [[MundaneUtility uses them anyway]]--and testing the mettle of a new member.

A VirtualTrainingSimulation can be used for one of these, as can a DeadlyTrainingArea.

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!!Examples:

[[foldercontrol]]

[[folder: {{Anime}} and {{Manga}}]]
* ''Anime/GreatMazinger'': In the sequel to ''Anime/MazingerZ'', the [[HomeBase Fortress Of Science]] was equipped with one of these. It appeared for first time in episode 3, and the scene showed Jun dodging rounds of machine gun mounted on the walls as Tetsuya her training and gave -or better said, barked out- advice.
* An episode of ''Anime/TigerAndBunny'' opens with the pair against a gun-wielding gang. The titular duo then starts arguing, at which point Tiger stands up, ranting... and a dozen red dots converge on his face. Cue gunfire, and [[MoodWhiplash cheery opening]].
* An episode of BattleOfThePlanets (aka Gatchaman, G-Force, Eagle Riders, God knows..) Opens with the team demolishing their danger room, only it turns out ''not'' to be the team....
[[/folder]]

[[folder: Comic Books]]
* ''Comicbook/XMen'' loves this trope, [[TropeNamers of course]]. In fact, it's how they were introduced back in 1963. The frequency of this trope in the various series also lead to the trope's ''old'' name, "[[UnfortunateImplications Professor X likes watching teenagers sweat]]". Used in an issue of ''Comicbook/NewMutants'' in which Rahne re-fought the battle that got Doug Ramsey killed, and came up with over forty different ways in which she could have saved his life. Of course, Rahne wasn't allowing for the fact that the 'forty different ways' all required foreknowledge of what was coming...
* At least one of the MarvWolfman-era ''Comicbook/TeenTitans'' comics opened with the Titans in the middle of combat training...
* A couple of issues of ''[[Comicbook/AvengersTheInitiative Avengers: The Initiative]]'' opened with this.
* In the Comicbook/XWingSeries comics, the arc ''Battleground: Tatooine'' starts with Hobbie as Rogue Leader, other Rogues dying around him in an ambush. It's a simulator; Wedge and a few others are flying simulated [=TIEs=], Hobbie and so on are flying as X-Wings.
* A Creator/ChrisClaremont ''ComicBook/FantasticFour'' issue started with Ronan the Acccusor taking out a set of the foursome's robots.
* One issue of the original UK ''Comicbook/TheTransformers'' comic introduced a group called The Wreckers with them taking out 'facsimilie constructs' of prominent Decepticons in a training exercise.
[[/folder]]

[[folder: Film]]
* While not actually the opening, in ''WesternAnimation/KungFuPanda'' we're introduced to the real Furious Five in a battle where they attempt to take out Shifu. They fail, badly.
* The [[UnwinnableTrainingSimulation Kobayashi Maru]] scene from the beginning of ''Film/StarTrekIITheWrathOfKhan''.
* In ''WesternAnimation/ToyStory2'', we see Buzz Lightyear in a dystopian battlezone, finally reaching and fighting [[BigBad Zurg]]. After a brief fight, Buzz gets ''The upper half of his body blown to smithereens''. Then some Game Over text pops up, showing that it was just a video game played by Rex, and the "real" Buzz is still fine. Repeated more obviously in ''WesternAnimation/ToyStory3'', as well as in ''WesternAnimation/MonstersInc''
* The intro to ''Film/TheSumOfAllFears''.
* Appropriately enough, the beginning of ''Film/XMenTheLastStand'' turns out to be a Danger Room scenario.
* [[PlayedForLaughs Played for]] [[BlackComedy (dark) laughs]] in ''Film/SpaceTruckers''. While the opening scene where a KillerRobot attacks a MegaCorp's base was just a demonstration for the boss, this particular [[CorruptCorporateExecutive executive is so corrupt]] they used real weapons and real {{Mooks}}, all of whom are gruesomely slaughtered by the KillerRobot.
[[/folder]]

[[folder: Literature]]
* The first scene in the [[Comicbook/XWingSeries X-Wing novel series]] is Corran Horn and three others doing their simulator tryouts for a place in the reformed Rogue Squadron. The scenario used is a [[MythologyGag nod]] to a [[ThatOneLevel particularly infamous level]] of the ''VideoGame/XWing'' ''game'', and once again their opponents are their future squadmates. Except the last one, which singlehandedly mops the floor with them all; that's being flown by [[TheAce Tycho Celchu]].
* In the Creator/NoraRoberts book ''Morrigan's Cross'', the heroine and her companions try out their various combat abilities while their makeshift instructor critiques their talents out loud.
* The second Literature/{{Animorphs}} book, "The Visitor", begins with the group besides Tobias testing out their newly acquired flight morphs. Besides Marco and Cassie, who morph into ospreys, the group can all morph into different birds of prey.
[[/folder]]

[[folder: Live Action TV]]
* ''Series/BurnNotice'': One episode opens with Mike on a motorbike being chased at speed by a pursuer. It turns out to be Fi although it may be more foreplay than a training exercise.
* The ''Series/StarTrekVoyager'' episode "Dark Frontier" used this trope pretty much exactly, with Tuvok, Janeway, Seven, and B'Elanna on the holodeck practicing a raid on a borg cube.
* The second-to-last episode of Season 4 of ''Series/TheWire'' opens with an armed Michael Lee being chased through an abandoned warehouse by a similarly armed Chris Partlow and Snoop Pearson. Just when Michael gets the drop on Chris and shoots him in the chest, it's revealed that all three of them are actually carrying paintball guns, and that Chris and Snoop are training Michael for his new job as a soldier for the Stanfield Organization.
* The first episode of' ''Series/TheSecretAdventuresOfJulesVerne'' features a scene early on in which we are introduced to Rebecca Fogg fighting a samurai in a room full of ice blocks. It is revealed to be merely a training session when her cousin Phileas interrupts by shooting a bullet past her head.
-->'''Rebecca:''' "Since when did we start using real ammunition?"
-->'''Phileas:''' "As you know, my dear cousin, you don't encounter blanks on missions for the British Secret Service."
* ''Series/GenerationKill'' opens to an intense combat situation in the middle of a desert. The driver of one of the vehicles gets injured and the others are supposed to leave it behind and "get out of the killzone". Everyone it very intense, then it is all revealed to be a training exercise. Interesting because the exercise itself doesn't give a lot of characterization, but the debriefing scene directly after sets up character relationships and plot threads for the whole series.
* The ''Series/PowerRangersNinjaStorm'' episode "There's No I in Team" opens with a holographic training simulation, which the Rangers fail at.
[[/folder]]

[[folder: Video Games]]
* Quite a few games with a first stage JustifiedTutorial fit this trope.
* The training courses at the beginning of ''VideoGame/ModernWarfare'' and its sequel.
* ''VideoGame/StarTrekEliteForce'' begins with this trope. Pre-mission narration tell us that an away team is on a Borg ship on a rescue mission. Only when the player-character gets impatient, shoots a terminal and kills the team in a fiery explosion do we cut to the Voyager holodeck where we are told it was all a test.
* ''VideoGame/SpaceQuest V: The Next Mutation'' starts with [[AlmightyJanitor Roger]] in the command chair of a starship about to lose a battle. Everything then pauses, and Captain Raemes T. Quirk appears on the screen to yell at Roger for screwing around instead of taking his final exam at the [=StarCon=] Academy. The whole thing was an UnwinnableTrainingSimulation.
[[/folder]]

[[folder: Web Original]]
* Inevitably, the Literature/WhateleyUniverse has finally done this. The opening of "Ayla and the Birthday Brawl" has this scene in one of the holographic simulators, but it's the Vindicators who get the coverage, and the villain in the simulation turns out to be... Ayla, playing the 'red team' as part of a training exercise for a class.
[[/folder]]

[[folder: Western Animation]]
* The Franchise/TeenageMutantNinjaTurtles do this often, with Splinter watching them sweat. Sometimes he's involved in the training too, and manages to kick all their shells. The [[WesternAnimation/TeenageMutantNinjaTurtles2012 2012 series]] episode "Panic in the Sewers"​ starts with the Turtles taking on the Shredder and getting killed. It then turns out Splinter was having a nightmare.
* ''WesternAnimation/BatmanTheBraveAndTheBold'' "Duel Of The Double Crossers!" has Batman training The Outsiders in such a simulation.
* The ''WesternAnimation/TeenTitans'' cartoon, in an interesting variation, introduces the bad guys Mammoth, Gizmo, and Jinx this way.
* The ''WesternAnimation/BatmanBeyond'' episode "Terry's Friend Dates a Robot" opens with him training against robotic versions of classic Batman villains.
* ''WesternAnimation/DefendersOfTheEarth'' did this several times.
* The ''WesternAnimation/LegionOfSuperHeroes'' cartoon used this for the first season finale's cold open.
* An episode of ''WesternAnimation/YoungJustice'' has one of these as the plot of the whole episode. The team (and therefore the viewer) doesn't know that it's fake due to the emotional distress of their psychic teammate.
* An episode of ''WesternAnimation/TheVentureBrothers'' begins with the Monarch and his flunkies doing one of these, although a screw up cut the clip from the aired episode (although it's on the DVD and appeared on the online 'broadcast' version).
* ''WesternAnimation/TimeSquad'' did this with a simulation where they were fighting an evil UsefulNotes/GeorgeWashington in their satellite.
[[/folder]]

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