In the Crisis on Infinite Earth’s crossover, the show finally made canon what many already suspected: it’s one big multi-verse. Grant Gustin and Ezra Miller’s Flash characters meet up in a short scene where they admire one another suit. It’s nothing too major but it’s nice to see the DCEU and the tv shows recognize each other. The Ezra Miller’s Flash movie coming out sometime in 2022 maybe can see Grant Gustin make an appearance. Click the here to check out the clip