| Anl 1 | Action Comics (2nd Series) | 1st Appearance of Kryptonite Man (Clay Ramsay); Origin of Kryptonite Man (Clay Ramsay); 2012 Annual |
| 397 | Superman (1st Series) | Origin of Kryptonite Man; Continued in Supergirl (2nd series) #21 |
| 397/NS | Superman (1st Series) | Origin of Kryptonite Man; Continued in Supergirl (2nd series) #21 |