Wonderful Wingmen and Crimson Crusaders Seek Justice on Worlds not their Own

Van-Zee was a scientist living in the bottled city of Kandor, the last surviving city of Krypton-One that had been kept within the walls of Superman's Earth-One Fortress of Solitude. After a brief foray as Superman himself, as he was that hero's lookalike, Van-Zee married and alongside former Phantom Zone convict Ak-Var adopted the aliases of Nightwing and Flamebird.

Lee Walter Travis was a wealthy newspaper publisher in New York City who, along with his assistant Wing How, fought crime on Earth-Two during the early days of the 1940's as Crimson Avenger and Wing. Eventually, both became members of Law's Legionnaires or Seven Soldiers of Victory, and thereafter the All-Star Squadron.

While outside the bottle environment of Kandor, both Nightwing and Flamebird would you Kryptonian level powers, in their home city they relied on flight belts and weaponry in their utility belts. As for the Crimson and Wing, they used ropes and other gadgetry such as red smoke, although on occasion each possessed the power of the nebula energy from their foe Nebula Man.

For Van and Ak, a new life awaited them and the other Kandorians on the trans-dimensional world known as Raokyn, while Lee and Wing faced timeless limbo and death respectively following their class with Nebula Man alongside their allies.