Pacific Coliseum (PNE) as Arrest
Maggie and the cops show up to find a criminal tired up for them by Guardian.
“We Can Be Heroes” Filming Locations
Kara decides Mon-El is ready for the field at the same time her old nemesis returns.
Supergirl episode “We Can Be Heroes” was filmed in Vancouver in Canada.
CBC Vancouver Broadcast Centre as NCPD Garage
Kara and Mon-el head to the police parking garage where a group of officers is under attack by what appears to be Livewire.
CBC Vancouver Broadcast Centre as Outside DEO
Kara yells at Mon-El outside the DEO after he disobeyed her orders and put the police officers at risk.
Pacific Coliseum (PNE) as National City Power Co.
Livewire is being tortured to extract her powers by a mad scientist at an abandoned power company. Guardian and Mon-El arrive to rescue her but get in over their heads until Supergirl arrives.