1977 70s absurdres age_difference aiming asian assault_rifle basile comic cover dated energy_gun epic gun helmet highres jack_kirby_(style) kaneda_shoutarou_(tetsujin_28-gou) marvel mecha military military_uniform multiple_boys oldschool rifle robot scan science_fiction soldier submachine_gun suppressor tetsujin_28 tetsujin_28-gou traditional_media uniform weapon