[@Aro]
You've got a deep understanding for character development and you've been able to predict my original story almost perfectly.
So, here's the challenges that I'm facing, and maybe you can help me with these:
1. Due to the similarities in powers and the fact that Dissonance was thought up first, Vega has to lose to her. Almost always.
2. Vega Learns new abilities by trying to overcome disadvantages when fighting Dissonance.
3. Dissonance (unfortunately) got her powers 3 years after Vega in our universe, which throws out a simple time jump. Thus Vega comes from a universe where they both got their abilities at the same time and their stories unfold similar to what you said.
4. I cannot time jump without pulling everyone into the future, therefore I can only jump from the past.
5. If this is an alternate universe, what happened to the original Adrian Hunter? (I'm thinking that he's dead too, like his mother) but Vega believes that the grave is an empty tomb made due to his disappearance, when in reality, it's not empty.
6. If this is an alternate universe, Vega believes that is is only a time jump for now.
7. Due to the time jump (New universe or not) Vega believes that this timeline is "false" and that all (or most) of these events happened because he was absent in the time jump. He develops an unhealthy detachment for life because he believes that he's simply going to go back in time and "correct" any grievances that happened as a result of accidental or intentional misgivings.
8. This detachment from reality (and possibly humanity) sometimes causes people to perceive him as a villain even though he's not and still believes himself to be the hero of the past (That people either don't remember because this is a new universe or that people scorn for abandoning them if it's the same universe).
9. Vega still believes himself to be good and so he won't compromise his morals even in a "false" timeline however, it's hard to care about something (or someone) that may never happen in his "true" timeline (His outlook on his current life).