Mike, titanfall runs on a heavily modified version of the source engine (valve's engine that powers half-life, portal and left4dead) so there is no connection to the old id sourced IW engine. Still, I'd be surprised if there weren't similarities in the gameplay as they'll likely look to make it feel as comfortable as possible for veteran cod players.
What to do if you find yourself stuck with no hope of rescue:
Consider yourself lucky that life has been good to you so far. Alternatively, if life hasn't been good to you so far, which given your present circumstances seems to be more likely, consider yourself lucky that it won't be troubling you much longer...
-- Excerpt from the Hitchhiker's Guide to the Galaxy.