Ninjak v01 - Weaponeer (2015)

Every master spy...has to start somewhere.
Then: Meet inexperienced MI-6 recruit Colin King on his first mission in the field as he learns the basics of spycraft and counterintelligence, and develops a volatile relationship with his first handler.
Now: Colin King is Ninjak, the world's foremost intelligence operative, weapons expert, and master assassin. And he's hunting the Shadow Seven - a secret cabal of shinobi masters with mysterious ties to his training and tragic past.
Collecting NINJAK #1-5.