The Legend Of The White Phantom

It takes place In the CWs Arrowverse:

It follows the trials and and escapades of one Andrew Queen older bother to Oliver by 2 years, After his Brother and Father Go missing After the Queen's Gambit accident he has to reluctantly step up and take over the family business, but as he starts running the company he realized that he's pretty good at running the company. And in the first month he raised the stocks and increased business ten fold.

In the first year in running Queen Consolidated he got the owner/CEO of Lexcorp Lex Luther, he gets envious of how well Queen Consolidated is doing under Andrew's leadership so he executes a plan to get rid of him so he calls The League Of Assassin's to do just that.

It will show all the heroes and villains from CWs Arrowverse and cross over to all of them except Black Lightning sorry if you like that show just doesn't fit with where I'm taking this book.