DC Comics Universe, Wonder Comics and Young Justice #4 Spoilers follows.
Conner Kent Superboy Makes His Mark As Tim Drake Robin, Cassie Sandsmark Wonder Girl, Bart Allen Kid Flash & More Unite To Help Amethyst!
The story moves from present to the past to even further back past. That includes Amethyst on Gemworld trying to convince her peer rulers that the planet is in danger; shades of Krypton that she mentions later in the issue.
In the present, Superboy and Kid Flash are confronted by Gemworld soldiers and Superboy takes one out scaring the rest away.
That allows Superboy to save Robin and Amethsyt and…
…we get an OG Young Justice reunion as the rest of the team, the newbies, bask in the glow.
The book ends in the past again with Amethyst experiencing Gemworld changing again leading to…
…her finding Robin in her castle?!