Originally Posted by
Buried Alien
Remember that old STAR TREK episode when Captain Kirk got separated into two personalities - one passive, but compassionate and the other decisive, but ruthless? I'd play with this idea in a Flash/Speed Force-centric way.
Here's the setup. Not long after Wally returned in REBIRTH, his return was detected by both Eobard Thawne and Hunter Zolomon, who are again working together. Zolomon's reasons for messing with Wally need no explanation, but Thawne's are more interesting. Thanks to his explorations of the Negative Speed Force (and dying and being reborn several times), Thawne remembers that his first-ever defeat was not at the hands of Barry Allen, but Wally West (Waid's THE RETURN OF BARRY ALLEN). That's Strike # 1 in Thawne's book against Wally. Moreover, Thawne realizes that to hurt Barry, going after him has never been as effective as going after his loved ones...especially his legacy. Put yourself in Thawne's position: if you really, really wanted to hurt Barry...beyond what you've already done to him (murdered his mother and his wife, framed his father for murder), what else can you do for an encore? RUIN Wally West, Barry's successor, proud and beloved carrier of his legacy, and in every sense that matters, Barry's "son."
So not long after Wally's reappearance, Thawne and Zolomon zap him with the Negative Speed Force and split Wally into two distinct personalities: his good side, which is where his good judgment, good character, honesty, and compassion reside, and trap that aspect of Wally into the Negative Speed Force, from which he is unable to escape without his other half. At the same time, that other half...which is not governed by conscience, etc., and is subject to temptation and character weakness, is the one left to roam the physical world, unaware that he's missing half of himself. THIS is the version of Wally who commits the deeds seen in HEROES IN CRISIS.
At some point in the near future, the good Wally trapped in the Negative Speed Force is able to get a subtle message out to Barry. Barry, drawing upon his experience as a forensic scientist and investigator, is able to figure out what happened, but is unable (on his own) to penetrate the Negative Speed Force and rescue good Wally. He therefore calls upon (a hopefully restored by DOOMSDAY CLOCK) Jay Garrick, Bart Allen, Wallace West, Max Mercury, and Jesse Quick to assist him. However, they will also need "bad" Wally to pull this off. Thus, at great risk, the speedsters break "bad" Wally out (heh....Breaking Bad) and together, they go into the Negative Speed Force to rescue good Wally and reunite him with his other half.
After having encountered and defeated a number of Negative Speed Force monsters and Thawne and Zolomon themselves, the two aspects of Wally attempt to fuse together, but depending on how they "crack" it, one of two results will emerge: in Scenario A, the past in which Barry's mother was killed by Thawne will be erased and Barry's classic Silver/Bronze/Post-CRISIS Age origin will be restored, but Linda Park and Wally's kids will be forever, irrevocably lost. In Scenario B, Barry's dead mother will be locked in forever, unchangeable, but Linda and Wally's kids will be restored exactly as they were before FLASHPOINT. Not wanting the other to sacrifice for him, Barry and Wally struggle. Barry wins the struggle, and Linda and the West twins are restored (thereby undoing Barry's "original sin" in FLASHPOINT and redeeming him; he sacrificed a chance to bring back his mom so that Wally could have his family). Wally is restored to his classic self in his classic shiny suit from the 1990s with the white eyelets...fully restored, redeemed, and reunited with his family, thanks to Barry's noble sacrifice (which leaves Barry alive and well, though he must accept that the past is gone).
In the midst of this triumph, Thawne and Zolomon escape, and emerge into the antimatter universe of Qward, where they are greeted by none other than the ANTI-MONITOR, who tells them, "Gentlemen...I have been expecting you. Perhaps we can help each other."
Buried Alien (The Fastest Post Alive!)