Is this a bug or an easter egg?

Two games now that I've tried to spectate, and before the champions load in, something odd happens. A whole bunch of minions, a mix of red and blue, are gathered around the red side's fountain and the K/DA skins all spawn in hologram form, as if the minions are an audience to them. After that, the champions all load in and things proceed as normal.
Best New

We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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