The Evolution of Jack-8 in Tekken 8: A Trailer Breakdown.
HBGP released a video highlighting the upgrades made to Jack-8 throughout the Tekken series, with his new design standing out compared to previous versions. Jack-8 now incorporates a railgun into his moveset and has inherited moves from Prototype Jack and Gigas. His Rage Art appears to be inspired by Ironman from the Marvel vs. Capcom series.