Update: Now Brandon Routh is joining in on the Superman crossover fun. Routh posted a new photo to Instagram featuring he and Tyler Hoechlin in their respective Superman costumes.
Routh also wrote, “#DoubleVision—the new #Superman ability! Grateful to share the #Arrowverse as #Superman for a short time with the charming & gracious @tylerhoechlin! I never really thought I’d get to meet #Superman in person… Gotta say, it’s all it’s cracked up to be!
Source: IGN.com Two More Supermen Unite in New Crisis on Infinite Earths Photo