Kimiyo Hoshi was the supervising astronomer at an observatory in Japan, overseeing a group of male astronomers charting the unnatural effects of the Crisis on Infinite Earths. (She is also a medical doctor, as shown in Justice League Annual #3 (1989) and Justice League America #55 (October 1991).)
Disgusted by the men's fear of the approaching antimatter cloud, she arrogantly tells them all off (including her own father), and orders them to leave, so she can study the phenomenon alone through her telescope.
Meanwhile, the Monitor, a being linked with all positive matter, senses his enemy, the Anti-Monitor, absorbing yet another positive-matter Earth with his antimatter cloud. In order to tip the scales for the heroes of the positive universe, the Monitor activates one last warrior.
U got some good ideas, but i think u should spend some more time in details, for example the logo could look so much better if u use the Wrap tool, and change the layer style