User blog comment:Gundam Legilis/Volume 2 Intro In Depth - The absent White Fang./@comment-24631732-20140531220345/@comment-186.188.108.69-20140531223305

Adam is a high ranking member of the White Fang, and is a very distinct character just like Junior.

Maybe He's absent from this opening as an Anti-Tease (I just made that up, didn't I?), to even out the tease they gave about him in Vol. 1