This is what I started a couple of weeks ago and I and now about ot read Marvel Comics #1.

Title Publisher Issue #     Release Date  
Cover Date Collected Works Synopsis
Action Comics DC 1 5/3/1938 Jun-38 Superman Chronicles Vol. 1 A space vehicle from a destroyed world lands on Earth, and its occupant becomes Superman. In addition, a scientific explanation for this being's powers is explained.
Action Comics DC 2 6/2/1938 Jul-38 Superman Chronicles Vol. 1 Clark Kent and Lois Lane are sent by editor Taylor to San Monte in South America to cover a war that is brewing. Besides saving Lois from executed as a spy, Superman proves the war is being formented by munitions manufacturers led by Emil Norvell.
Action Comics DC 3 7/5/1938 Aug-38 Superman Chronicles Vol. 1 After Superman saves a group of miners from a cave-in, Clark Kent senses a story that may mean that the mine's owner, Thorton Blakely, is actually running unsafe mine operations and blaming accidents on the miners themselves.
Action Comics DC 4 8/2/1938 Sep-38 Superman Chronicles Vol. 1 Overhearing a crooked college football coach at Dale University plotting to populate his team with thugs to defeat rival Cordell University, Superman impersonates a football player from Cordell to straighten out the situation.
Action Comics DC 5 9/6/1938 Oct-38 Superman Chronicles Vol. 1 Lois and Clark compete with one another to get the scoop on the possible collapse of the Valleyho Dam.
Action Comics DC 6 10/4/1938 Nov-38 Superman Chronicles Vol. 1 Clark Kent is introduced to a fighter manager who claims to be Superman's personal manager. But when Lois discovers the existence of a phony Superman, who is tied to that manager, the real Superman must act quickly to save Lois' life.
Action Comics DC 7 11/3/1938 Dec-38 Superman Chronicles Vol. 1 The Jordan Circus is having a rough go of it and the promisory notes are coming due, so Superman decides to join the circus to help it pay off those notes and get it back into the black.
Action Comics DC 8 12/6/1938 Jan-39 Superman Chronicles Vol. 1 Superman decides to get involved in a case involving wayward boys being used by a petty criminal, who uses the boys to steal items from wealthy people that he can sell for quick cash....all at their expense.
Action Comics DC 9 1/3/1939 Feb-39 Superman Chronicles Vol. 1 Superman, having torn down a slum area so that newer, more modern apartments could be built, is labeled as a crook by the Chief of Police, who assigns Detective Reilly [better known as "100% Reilly", because he always gets his man] to bring the Man of Tomorrow in.
Action Comics DC 10 2/7/1939 Mar-39 Superman Chronicles Vol. 1 Clark Kent interviews a former prisoner who was starved and abused by the Coreytown Chain Gang, so Superman decides to get the real scoop on these abuses....and put a stop to them.
Action Comics DC 11 3/7/1939 Apr-39 Superman Chronicles Vol. 1 An unscrupulous firm sells what they think to be worthless stock in "Black Gold Oil", then try to buy it all back when they hear that oil has been discovered on the property....thanks to Superman.
Action Comics DC 12 4/4/1939 May-39 Superman Chronicles Vol. 1 Clark Kent witnesses the death of a dear friend of his at the hands of a reckless driver, and when the Mayor refuses to deal with the problem, Superman decides to wage war on these drivers himself!
Detective Comics DC 27 4/18/1939 May-39 Batman Chronicles Vol. 1 In his first case, the Bat-Man investigates the murder of a chemical tycoon, discovering that one of his partners murdered him to steal the secret contracts that would leave him as the sole owner of the Apex Chemical Corporation.
Adventure Comics DC 38 4/20/1939 May-39 GA Sandman Archives Vol. 1 The Sandman comes up against a very crafty and dangerous adversary [Tarantula] while investigating the kidnapping of a famed actress and subsequent demand for $500,000 ransom!
New York Worlds Fair Comics DC 1 4/30/1939
1939
Superman Chronicles Vol. 1
Golden Age Sandman Archives Vol. 1
Lois and Clark are assigned to cover the Fair, but after Lois is kidnapped, Superman has to take over, both to rescue her from a wanted criminal and make sure the Fair is covered properly for the paper.

Wes and one of the executive officers at the Dodds-Bessing Steel Corporation are to meet several government agents at the Fair and turn over to them plans for a new raygun
Action Comics DC 13 5/2/1939 Jun-39 Superman Chronicles Vol. 1 Superman decides to wage war against the Cab Protection League, a firm trying to victimize the independent cab companies. But when he thinks the situation has been resolved, he comes to face a new threat: the Ultra-Humanite, a foe who gained from a scientific experiment the most agile and learned brain on earth.....a foe who seeks to dominate of the world!
Detective Comics DC 28 5/11/1939 Jun-39 Batman Chronicles Vol. 1 Using information obtained from a Police stool pigeon, the Bat-Man sets aim on one Frenchy Blake, leader of a notorious jewel theft ring.
Superman DC 1 5/18/1939 Summer-39 Superman Chronicles Vol. 1 Clark Kent applies for a job at the Daily Star, but is turned down until Superman stops a lynching and Clark phones in the story. Then Superman gets singer Bea Carroll to confess to the murder of Jack Kennedy.
Action Comics DC 14 6/2/1939 Jul-39 Superman Chronicles Vol. 2 While investigating the collapse of a subway tunnel, Superman first faces off with those in charge of Star, Inc., a firm which built the tunnel with sub-standard materials, then he encounters the Ultra-Humanite, the bald, evil genius bent on world domination whom he thought died in the previous story.
Detective Comics DC 29 6/13/1939 Jul-39 Batman Chronicles Vol. 1 Dr. Death plans to use his new invention of a poisonous pollen extract on any wealthy person who refuses to pay him tribute.
Adventure Comics DC 40 6/15/1939 Jul-39 GA Sandman Archives Vol. 1 The Sandman comes up against a very crafty and dangerous adversary while investigating the kidnapping of a famed actress and subsequent demand for $500,000 ransom!
Action Comics DC 15 6/29/1939 Aug-39 Superman Chronicles Vol. 2 On assignment at Kidtown, Clark discovers that the institution needs $2 million to remain in the black and remain open, and, as Superman, decides that a newly discovered underwater treasure is the answer for the funds he needs. 
Detective Comics DC 30 7/13/1939 Aug-39 Batman Chronicles Vol. 1 Thought dead in a fire in his home, Dr. Death has survived, but is in need of funds to re-establish himself, so he sets his sights on diamonds owned by a Mrs. Jones.
Adventure Comics DC 41 7/18/1939 Aug-39 GA Sandman Archives Vol. 1 The Sandman rescues a girl reporter, snooping aboard a ship dealing in illegal narcotics, after she jumps overboard after witnessing a murder.
Action Comics DC 16 8/1/1939 Sep-39 Superman Chronicles Vol. 2 After a run-in with a gambler who is opting out for suicide, and a Police Commissioner who won't deal with the city's gambling problem, Superman decides to wage a one-man war himself against gambling and aid the victims of it.
Detective Comics DC 31 8/10/1939 Sep-39 Batman Chronicles Vol. 1 When Batman discovers Julie in a trance, he is advised by a doctor to take her to Hungary, where he faces a living vampire, who wishes to kill the Caped Crusader and feed Julie to his werewolves.
Adventure Comics DC 42 8/15/1939 Sep-39 GA Sandman Archives Vol. 1 Wes joins up with two of his former service buddies to discover if Teeter Sneed has a hand in the killing of several of their old chums and threatening to do the same to several others.
Superman DC 2 8/22/1939 Fall-39 Superman Chronicles Vol. 2 1. The Redemption of Larry Trent.   2.  Superman Champions Universal Peace.  3.  Superman & The Skyscrapers.   4.  Superman