The images depict Chris Evans (yes, Captain America himself) as the protagonist, Kaneda, and Joseph Gordon-Levitt as his telekinetic frienemy, Tetsuo.
The original Japanese manga ran from 1982-1990, with an anime feature film adaptation in 1988.
Akira depicts a world devastated by WWIII, and a rebuilt Neo Tokyo that falls into further apocalyptic chaos when testing on some “gifted” individuals goes awry.
Bloody Disgusting has now unearthed some fantastic concept art that Ruairi Robinson shared back in 2014 from an abandoned version of Akira.