SPOILER WARNING: This article contains spoilers for tonight's episode of "The Flash," "Welcome to Earth-2."

Tonight's episode of "The Flash" had a ton of visual easter eggs, but the tease featuring the biggest names -- well, just listed names.

Posing as his doppelganger on Earth-2, Barry returns a call to his mother on a phone that lists some pretty important people on his speed dial: Eddie, Bruce, Hal and Diana.

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While "Eddie" is a nod to Rick Cosnett's Eddie Thawne, the other names are of course referencing Justice League members Bruce Wayne (Batman), Diana Prince (Wonder Woman) and Hal Jordan (Green Lantern).

Here's a screen-cap of the easter egg:

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Even though this is probably a mere easter egg, the prospect of an Earth-2 "Justice League" on "The Flash" is something that would be hard to turn down.

"The Flash" airs Tuesdays at 8/7c on The CW.