Suggestions by @2ktylorwilliams15

Rick Sanchez

as Doctor Stephan Strange in Doctor Rick

Baron Draxum

as Baron Zemo in Nightwing: Civil War

Stanford Pines

as Thunderbolt Ross in Nightwing: Civil War

Steven Universe (Character)

as Peter Parker in Nightwing: Civil War

Zuko

as T'Challa in Nightwing: Civil War

Aang

as Vision in Nightwing: Civil War

Ryuko Matoi

as Natasha Romanova in Nightwing: Civil War

Leonardo (TMNT 2012)

as James Rhodes in Nightwing: Civil War

Donatello (TMNT 2012)

as Tony Stark in Nightwing: Civil War

Batman Beyond (Terry McGinnis)

as Scott Lang in Nightwing: Civil War

Katara

as Wanda Maximoff in Nightwing: Civil War

Kirigaya Kazuto/Kirito

as Clint Barton in Nightwing: Civil War

Robin/Tim Drake (Young Justice: Outsiders)

as Sam Wilson in Nightwing: Civil War

Jason Todd (Red Hood)

as Bucky Barnes in Nightwing: Civil War

Robin/Dick Grayson (Young Justice)

as Steve Rogers in Nightwing: Civil War

Pain (Naruto)

as Darren Cross in Batman Beyond

Kipo Oak

as Cassie Lang in Batman Beyond

Valt Aoi

as Lewis in Batman Beyond

Naruto Uzumaki (Boruto)

as Hank Pym in Batman Beyond

Gwen Tennyson

as Hope Van Dyn in Batman Beyond