Reactron/Major Benjamin K. Krull

In de reeks Suicide Squad

A6 Thou Shalt Not...
A7 Act of War
A8 Casualties of War

In de reeks Action Comics

872 New Krypton, Part 7: Brainiac Lives

In de reeks Supergirl

C35 New Krypton, Part 5: The Secret Origin of Supergir
C36 New Krypton, Part 8: Death in the House of El

In de reeks The Daring New Adventures of Supergirl

8 Stand-Ins for Supergirl!
9 Re-Enter: Reactron!
10 Radiation-Fever!