It will indeed be about the older Iceman, not the O5 (time-displaced) version. Writer will be Sina Grace (who most recently wrote the main story in the All-New X-Men Annual #1) with interior art by Alessandro Vitti and cover art by Kevin Wada.
More details hereAnd just how does Bobby Drake see himself as a hero? Despite being considered an “Omega Level” mutant, he’s never fulfilled his true potential. According to Grace, “Bobby realizes that he’s been around the X-Men longer than just about anyone. And the legacy he’s built for himself is [that] he tells jokes and he makes stuff out of ice. And he hasn’t left much of legacy as a hero, or built much of an identity for himself. And that’s the mission statement of the book, that Bobby realizes these things about himself, and is striving to become a better hero and leave a better legacy behind.”