(written from a Production point of view)
Before being tapped to write the Star Trek preview comic Star Trek: Countdown for IDW Publishing with fellow Orci/Kurtzman employee Tim Jones, his comic resume was limited to work for DC Comics on their Titans and Superman/Batman comics and a story in their 2008 Halloween special. Johnson and Jones subsequently wrote Star Trek: Nero and the Star Trek: The Official Motion Picture Adaptation. Continuing this trend, Johnson wrote comic book tie-ins to Fringe and Transformers: Prime, as well as episodes of the latter.
Johnson writes the Star Trek ongoing series for IDW, tying into the films set in the alternate reality, as well as the Star Trek Into Darkness prequel comic Star Trek: Countdown to Darkness,  and its companion comic Star Trek: Khan. He also consulted on the 2013 video game. 
- Mike Johnson on Twitter