Just remember that benching 3 times each week is not a good idea. Spread out your workouts.
Hit specific groups like:
Mon:chest, triceps
wed:legs
fri:back, biceps.
Down the line you can increase your volume or times per week, but to start off, get in there lifting heavy.
you could start out with something like
warm up set..
set1: 10 reps
set2: 6-8 reps
set3:4-6 reps
set4:2-4 reps
give yourself sufficient rest between sets, If you are lifting heavy you will benefit from waiting a bit longer than a minute. I personally wait 3 minutes while i am massing.
Search around for diet tips. Check out the site in my sig, and also search around here for diet tips. Many of us have written up thousands of diet outlines collectively.
Good luck getting started.
PS. Incase you are having trouble with the "gut", you might have to switch between cutting and massing, I would recommend you do one or the other.
Let us know how things go bro!