- I've spent every day since I escaped his clutches trying to ruin David Cain...
- — Marque src
Taken as a young girl by David Cain and forced to become an Assassin, she has sworn to kill her Master.
While looking for Cain to kill him, she encounters Batgirl and fights against her for the right to kill David Cain. 
- A blood test in Batgirl (Volume 2) #4 established that Cassandra Cain and Marque are sisters.
- 5 Appearances of Marque (New Earth)
- 2 Images featuring Marque (New Earth)
- 1 Quotations by or about Marque (New Earth)
- Character Gallery: Marque (New Earth)
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