Whatever's going to happen in 2019's follow-up to Avengers: Infinity War,Dear Utol (2025): Kilay is Life Episode 42 it's locked now. Filming has officially wrapped.

But as with most things Marvel, it's not quite so simple. Directors Anthony and Joe Russo announced the completion of their work on Twitter with a hashtag and an image.

SEE ALSO: There may be some hidden 'Avengers 4' clues in this Russo brothers set photo

It's the image that has people talking. What is it? What's it supposed to be teasing? Why are you like this, Marvel?

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The fanpeople of Twitter quickly seized on the image and ran it through countless filters, in the hopes of cutting down on the blinding blue light a bit to see what lies behind it. The results were... mixed?

So far, this is the only legit theory I've come across:

What do you think it is? Could it possibly be nothing? Just a red herring to keep diehard fans busy during the months-long wait until release?

Avengers 4-- which doesn't even have an officially announced title yet -- hits theaters on May 3, 2019.

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Topics Film Marvel