[4] Beginning in November 2010, he starred alongside Henry Pym in the three-issue mini-series Ant-Man and the Wasp, by Tim Seeley.

Helicarrier, Carson orders O'Grady and his roommate Chris McCarthy to guard Hank Pym and the new Ant-Man suit.

[9] During a battle, O'Grady tries looting a jewelry store and encounters the thief Black Fox who steals his bag of jewels.

[10][11] After he obtains a fake ID under the name Derek Sullivan and comes up with the new superhero name Slaying Mantis, this organization offers him a job and he consents.

This in turn triggers O'Grady dumping Abigail over keeping her son's existence a secret from him while pursuing a romantic relationship with him.

Black Fox demands that O'Grady be released and claims to have placed explosives on the helicarrier in order to extort his friend's freedom.

Later on, O'Grady refuses Veronica's attempt to work out an arrangement for raising their child together, in part because of his inner fear that he would be a horrible father due to his utter lack of morals or ethics.

Using his Ant-Man suit to increase his size to fight back, O'Grady tricks Stature into thinking the hero Stingray had been stepped on and killed in order to knock down with a cheap shot, mocking yelling "Who's Your Daddy Now?".

However, as their fight begins to attract the attention of people outside the Initiative compound, Taskmaster brings all three of the giants down with his shield.

[24] Escaping by once again shrinking down, O'Grady discovers the Skrulls' last resort plan: to open a giant Negative Zone portal, and have the entire United States removed from this dimension.

Escaping the Skrulls on the back of one of their shock troopers, Eric brings the information to some of the remaining Initiative members, and they set out to stop the plan from happening.

O'Grady secretly plants a gamma emitter on Doc Samson, causing the doctor to increase in strength and anger, and attack the President.

[28] Ant-Man later secretly witnesses Paladin, Ghost and Headsman turn against Mister X and Scourge when they are ordered to execute the original Black Widow and Songbird, then erase their teammates' memories.

In order to earn some goodwill, he helps Captain America escape from custody, asking that he keep this in mind in the future.

[32] After Scourge finds Gungnir, he attempts to take it to the Iron Patriot, but is stopped by Paladin finally having enough of serving a madman.

As the Mighty Avengers defeat what remains of the Thunderbolts, O'Grady finds Gungnir and gives it to Paladin, who hides it from the Iron Patriot.

[36] In the arc of the opening four issues, O'Grady inadvertently stumbled upon a group of Shadow Council agents planning to blow up his teammates with a bomb,[36] but was able to defeat them by detonating it early.

[37] The story opens to Eric O'Grady using his position with the Secret Avengers as a tool for sexual encounters with various women.

Running into Striker, Finesse and Veil, O'Grady talks the ladies into a private drinking party, where he passes out and they put shaving cream on his face before leaving him.

After a bizarre break-in, O'Grady is awakened to find Striker standing over him, who he blames for the shaving cream and starts a fight.

agent Monica Rappaccini to steal "Heaven", a virtual reality created to protect Bill Foster's consciousness, and to recruit Pym into A.I.M.

While Pym spends hours escaping Monica's traps and torture devices, O'Grady manipulates Anethesia into helping him save Foster by pretending to sell out the Avengers.

[41] While wearing the Ant-Man suit, Eric O'Grady has the ability to shrink to the size of an insect while retaining full-sized strength.

The Ant-Man suit's main mode of transportation is a jetpack that can be detached and used as a weapon by turning the jet's flames onto an enemy.

During this time, his Ant-Man helmet seemed to become more of a close-fitting piece of fabric, as it moulded itself to his facial expressions, and could even be peeled upwards to allow him to drink.

IGN listed Eric O'Grady as the 82nd greatest comic book hero of all time stating that he is another hero who faces the challenge of living up to a huge legacy but he is truly good at heart, and he has made great strides when it comes to doing justice to the venerated Ant-Man name,[44] and as #43 on their list of the "Top 50 Avengers".