Photo: Jordan Strauss/Shutterstock

The so-far-untitled Avengers 4 directors, the Russo Brothers, tweeted images to celebrate the end of filming the upcoming superhero flick.

Along with the caption, “#wrapped,” the pair uploaded a photo of something very bright.

#wrapped pic.twitter.com/k8xCxiQL4J

— Russo Brothers (@Russo_Brothers) October 13, 2018

Fans on Twitter have some thoughts about what these clues could mean for the Avengers film. A few thought it could point to Adam Warlock (AKA “Him”), who was referenced at the end of Guardians of the Galaxy 2 and rumored to appear in the third film in the franchise.

Why does the shape remind me of this? I’m I just running off of that little sleep? pic.twitter.com/8X9TfeoNcP

— ||-// A L A N A ☁️??️‍? rt link in bio (@hooked_onWDW) October 13, 2018

I knew it!!! pic.twitter.com/8JxTEJPqMH

— roshfaizal (@roshfaizal) October 13, 2018

Other fans suggested it could be a coffin or any other object of the same shape.

So I darkened it and everything, and this is what a got… still have no idea. pic.twitter.com/il0KY0bWDw

— Goddess Of Sarcasm (@sarcasm_goddess) October 13, 2018

Previously, the duo posted a cryptic photo on social media that teased the title of the Infinity War conclusion.

At the end of the day, I guess we’ll have to wait until the film’s release May 3.

h/t CNET