Spy Grandma

[yetie]

A graphic novel about a brother and sister that get to stay with there grandmother, however she is a spy.
When the brother gets kidnapped she and the sister aloung with some IT guy go trough a list of former enemies to get him back.
The sister and the IT guy get captured by 2 of them










And you know what is crazy?
I found this after they announced a movie with a similar summery
https://www.imdb.com/title/tt36874961/
Gues 1 rip off the other