A new hero must save the day.To kick off The Game Awards this year, Koei Tecmo announced it was teaming up with Dotemu (TMNT: Shredder’s Revenge) and The Game Kitchen (Blasphemous) to release a brand-new 2D action side-scroller entry in the legendary Ninja Gaiden series.It’s officially titled Ninja Gaiden: Ragebound and will star the new hero…