Appearing in "Out of Our Heads, Part Two"
- Brainwave (Flashback and main story)
- Dr. Emmil Brown
- Brainwave (Flashback only)
- Extreme Justice (Flashback only)
- Infinity, Inc. (Flashback only)
Synopsis for "Out of Our Heads, Part Two"
Green Lantern has brought Jade to S.T.A.R. Labs and has called Sentinel to join him there. Dr. Emmil Brown has examined Jade but could not find any reason for her behavior or that of all the other people.
Green Lantern and Sentinel leave S.T.A.R. Labs to take care of some riots still going on in the streets of New York City. When both heroes come near a burning house, Sentinel suddenly feels that something is happening to him and he tells Kyle to knock him out. Of course, Kyle does not want to hurt the father of his girlfriend, but that hesitation is enough for someone or something to take full control of Sentinel.
While Green Lantern and Sentinel are fighting each other, Jade wakes up again and immediately tells the doctors that somebody has to warn Green Lantern and Sentinel that "Henry is back". Indeed it is Henry King Junior who once was driven into madness when his father, the original Brainwave, died and passed his powers to his son. After spending years in an asylum financed by Sentinel, Henry now seems to be healed and in full control of his powers. Before Henry got mad, Jade was his girlfriend for a short time and, thus, her and Sentinel seemed to be obvious choices to try out his powers against. Green Lantern fights Henry valiantly, but even when he is joined by Jade, he cannot defeat the new Brainwave. After having demonstrated his superiority, Brainwave decides to leave but he warns the heroes to stay out of his business ...
- No special notes.
- No trivia.
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