Most people start with a favorite character. Then learn more about that character. Then pick another character.
If you have no knowledge of DC Comics I suggest the video
Secret Origins The History of DC Comics
In an hour and a half you would get a good general background of the Golden Age Silver Age and Bronze Age of DC comics. Including the three most famous Wriers from Englanf Alan Moore Neil Gaiman and Grant Morrison
If you are interested in recent comics
I suggest the following Titles
Aquaman 2011
DC Rebirth 1 2016
Superman Lois and Clark followed by
Superman Rebirth 2016 followed by Super Sons
Wonder Woman 2016 Year One Issues 2 4 6 8 10 12 14
Detective Comics 2016 intro to Bat Family
Green Lanterns 2016
The Flinstones
Also
Aquaman 2016
RedHood and the Outlaw 2016
New Superman 2016
Grayson
Titans Hunt
Titans with.Orginal Titans 2016
Demon Knights
Earth 2 issue 17 on
Worlds Finest
Currentlty
Justice League Dark 2018
Shazam 2018
Hawkman 2018
If you have Browse on your Device
Getting to Know has
Start Reading Articles for
Dick Grayson in middle of page
Supergirl
Superman
Teen Titans
The Flash
Wonder Woman
Sort alphabetically
Sort Storylines alphabetically
to get Storylines that begin with the character’s name like Batman.
The Encyclopedia may give you important titles and issues for the character you are interested in.
If ypu want to start with earliest issues
Filter Comic by Era to get Golden.Age
And read Only the following
Superman 1
Batman 1
Wonder Woman 1
Finally look.at Movie and TV to see if any videos interest you.
The DC Animation.Universe starts with
Batman The Animated Series
Superman the Animated Series
Justice League
Justice League Unlimited
Also Wonder Woman TV series
Superman 1978 movie with Christopher Reeves
And original Content
Titans two seasons
(partially based on
New Teen Titans 1980
Teen Titans 2003
Titans Hunt)
Young Justice (three seasons of original storylines)
Doom.Patrol (1989 Doom Patrol 19 Crawling from the Wreckage Grant Morrison)
swamp Thing (1984 Saga of Swamp Thing 21 The Anatomy Lesson Alan Moore)
In Community
There are Book Clubs, most of which are starting out such as
Superman.Book.Club
DC History Club
See join a club in community events