The Infinity Gauntlet was made quite recently, but that's not the only time we see the gauntlet. The gauntlet is first shown in the first Thor movie and then later in Thor: Ragnarok.

The iconic Infinity Gauntlet event series by Jim Starlin, George Pérez, Ron Lim, Joe Rubinstein, and more settled this debate long before it started, as issue #5 pits Galactus and other ...

The notable example of the good guys just falling on their faces in the MCU comes in Avengers: Infinity War, when Thanos and his Black Order travel across the galaxy in search of the Infinity Stones.