Krypton Returns!' part 2, continued from ACTION COMICS (2011- ) ANNUAL #2. Our heroes have been sent on missions through Krypton's history to stop H'El from dooming the universe! Superboy's mission? Stop H'El from tampering with the history of Krypton days before its explosion. Continued in SUPERGIRL (2011- ) #25.
Superboy has learned the truth about what he really is...and he's not taking it well. Alone in New York and surrounded by holiday cheer, it's a struggle to keep his emotions and his powers in check--and he's on a crash course with a dangerous pair of murderous young metahumans who are more like him than he might want to admit!