Supergirl: Woman of Tomorrow (2021-2022) #6

Plot

The traumatic secrets of Supergirl's past are revealed as our heroine races to the edge of the universe to escape Krem and his latest weapon! The murderer of young Ruthye's father has gotten his hands on a Mordru globe and plans to use it to make our hero disappear forever. Can she save herself and the young girl's future in the process? She'll need the help of her trusty steed, Comet the Superhorse!