Sir Justin's origins are not discussed in the show but Black Canary recounts its highlights in this comic. He had rescued Merlin from a tree-prison back in the days of Camelot and his horse, Winged Victory was given wings as thanks. Merlin had also enchanted his sword and armor. An ogre trapped him in ice for hundreds of years until 1941 where he joined the All-Star Squadron and the Seven Soldiers of Victory. This point raises a lot of eyebrows since it is generally accepted that Superman led the first batch of widely-known metahumans.

One wonders what connection the comic makers were trying to make between Batman and Lancelot by addressing their physical similarities more than once.

Vixen explains that her totem connects her to the 'Morphogenic Field'  and allows here to tap into any one animal's abilities at a time. For this comic, she uses the flacon and dragon. She also mentions that she can summon a T-rex's abilities.

Vixen calls on the flying powers of a 'falcon'. This is not something she's been see to be able to do despite the high altitude battle in the episode, 'Hunter's Moon' . Of course, later on, she starts displaying flight and dragon breath once she uses her Tantu totem to summon a dragon.

One of the few times Green Lantern displayed an artistic use of his ring- he dresses up in Knight's armor.

This book takes two bold steps that may or may not tear into JLU continuity. One is Justin's origins and the other is Vixen's powers. These two are arguable matters that may hinder enjoyment for hardcore JLU fans. however, the book itself is very enjoyable, exuding a kiddie comic book air and yet not getting too demographic-oriented. One might even catch Guinevere throwing Batman looks as he looks a lot like Lancelot. (One may wonder, don't Bruce Wayne and Batman have the same chin as well?)

- the appearances of Camelot's characters.

- expanding on Vixen, albeit in a debatable fashion..