DC Meets Traumatized Teen

Mark's entire world was crumbling beneath him. His father wanted to take over the planet. He killed the guardians, killed thousands of people, and almost killed Mark. Or he would've done more to Mark if he wasn't teleported away… however the teleporter malfunctioned, and Mark ended up in a world similar to his own. But so different at the same time. How will he return home? Or… Mark travels to the DC universe! And deals with trauma.