1. Aquaman 2018

Arthur Curry learns that he is the heir to the underwater kingdom of Atlantis, and must step forward to lead his people and to be a hero to the world.

2. Ant-Man and the Wasp 2018

Source

In the aftermath of 'Captain America: Civil War,' Scott Lang grapples with the consequences of his choices as both a Super Hero and a father. As he struggles to re-balance his home life with his responsibilities as Ant-Man, he's confronted by Hope van Dyne and Dr. Hank Pym with an urgent new mission. Scott must once again put on the suit and learn to fight alongside The Wasp as the team works together to uncover secrets from their past. Written by Walt Disney Studios

3. Black Panther 2018

Source

After the events of Captain America: Civil War, King T'Challa returns home to the reclusive, technologically advanced African nation of Wakanda to serve as his country's new leader. However, T'Challa soon finds that he is challenged for the throne from factions within his own country. When two foes conspire to destroy Wakanda, the hero known as Black Panther must team up with C.I.A. agent Everett K. Ross and members of the Dora Milaje, Wakandan special forces, to prevent Wakanda from being dragged into a world war.

4. X-Men: Dark Phoenix 2018

Source

Jean Grey begins to develop incredible powers that corrupt and turn her into a Dark Phoenix. Now the X-Men will have to decide if the life of a team member is worth more than all the people living in the world.

5. Venom 2018

Source

Venom is the title to consider if you're looking for a darker take on the superhero genre. Starring supervillain veteran Tom Hardy, Venom tells the backstory of Eddie Brock, who melds with a parasitic alien lifeforce called the symbiote and becomes Spider-Man's archnemesis. Rounding out the cast are Riz Ahmed as Dr. Carlton Drake and Michelle Williams as Brock's ex-wife Anne Weying, in addition to Jenny Slate and Woody Harrelson, whose roles are not yet known.