Grant Gustins memory of the first-ever Arrowverse crossover isnt as geek-tastic as one would expect.
We blocked it in the daylight, and I remember therespaparazzi picturesof us blocking it.
They hadnt figured out how to do my mask yet.

Diyah Pera /The CW
So for the first nine episodes, I was glued in for like 12 hours at a time.
Like, Id eat lunch in my mask.
I dont remember exactly what the moment was in that script, its toward the end.

Diyah Pera/The CW; Kharen Hill/The CW; Katie Yu/The CW; The CW (2)
Just my whole mask was getting spongy, and it was terrible, he said with a laugh.
So it wasnt glamorous that first day of the crossover.
He continued: Thats what this experience is, though, every year.
Its a test of endurance.
That was a big moment for me and then being in the Fortress of Solitude was a mind-blowing moment.
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