Detailed Information of Superhero
Air-Walker was seen in 3099 A.D. at a meeting between various aliens and cosmic beings.
Seemingly those of Gabriel Lan of Earth-616.
It is unclear if this Air-Walker is Gabriel Lan or the construct who replaced him, or indeed another entity entirely.
2099: Manifest Destiny #1 (March, 1998)
Len Kaminski, Mike McKone