Alexandra "Alex" Danvers is a supporting character in the Elseworlds cross over between Arrow, Supergirl, The Flash and Batwoman.
After John Deegan altered Earth-1's reality using the Book of Destiny, Alexandra "Alex" Danvers became an agent of the S.T.A.R. Labs who served under the rule of Deegan himself that was transformed into Superman. However, she ultimately sides with Kara Danvers, who is imprisoned in this reality and helps her fix what her boss did.
Kryptonite (Red • Silver • Blue • Black) • Toyman's inventions • Vigilante Suits • Oliver Queen's Bows • Phantom Zone Projector • Glasses • Legionnaire Rings • Yellow sun grenade • Myriad • Lexosuit • Book of Destiny • Book Of Ra • Staff of H'ronmeer • Sword of Juru • Antimatter • AllStone Totems
Species
Kryptonians • Metahumans • White Martians • Saturnians • Amazonians • Daxamite • Green Martians