The term coined in a TV Show when the season or series reaches its dramatic climax or penultimate finale such as a master plan coming to fruition. The Endgame is usually the most anticipated part of a tv show, it's achieved at the end of a season/story arc and is what the episodes prior has been building up to and is often teased throught, this is known as playing The Long Game.
Endgame can also refer to a ship in a TV Show, so the relationship a character will end up with at the end of the series.
The most highly anticipated movie of 2019. The second part of infinity war, revolving around the avengers facing their big purple buddy thanos and the aftermath of the snappening.
Anthony: I tried but Fandango's servers crashed as soon as the tickets were offered, due to the high amount of traffic of all the other people try to snag 'em.
The ultimate agenda or desired consequence of a planned series of events (often elaborate and unknown to outsiders).
In the business world its ideally an ingenious business strategy for the purposes of market domination. In movies its often nefarious and the secret objective of a super villain.
However, an Endgame scenario does not need to be bad, it may ultimately be a miraculously good outcome for all, though usually a major component is the acquisition of power by the party who planned it, irrespective of the larger consequences to others, good or bad.
Informally, people may ask "what's your Endgame" after listening to your plans but not getting what the point of your plan actually is.
It's best used in relation to an ingenious plans that are in progress where the overarching goal (the Endgame) may not be obvious. Originates from the idea of playing lots of small games (or completing lots of tasks) in order to achieve a larger result.
Poor (or boring) use: the Endgame of a degree is to get a high paying job.
Okay use: the Endgame of a degree is to get yourself deeply involved in the universities alumni network, build relationships with specific people that otherwise would be difficult, and leverage all possible resources to launch a great business.