When Dexter Ward committed suicide he didn't expect his consciousness to be transferred to another version of himself who continued to live. The only catch was that he was now in a different manifestation of the Quantum Multiverse.
But he was not immortal—just fated to live out his life in different versions of himself—after every accident within a normal lifespan.
But other minds had noticed the unique powers of his own unusual mentality.
And they wanted those powers for themselves—whatever the cost to Ward himself.