A group of super powered humanoids known only as the Marauders, whose sworn pledge was to rid Earth of every mutant, set their sights on Alert Force. After all, several team members were mutants, and the others were targeted by the Marauders simply for associating with them. The combat started at Alert Force mansion in New Jersey, where Loup was grievously injured (damn near fried) by Sabretooth, Ice Avenger was incapacitated by Frenzy, and Jack was actually defeated by Polaris. Alert Force was able to retreat and regmup, and lured the Marauders to a final showdown atop a high-rise in New York City. In a rare showing of true malice, Alert Force carefully planned the encounter in or'::ler to bring about the deaths of each of the Marauders. When the dust cleared, of the Marauders, only Malice and Sabretooth escaped with their lives.

All had thought Para-man had perished when he could not be located (even by Jack) when the group reformed in 1987 (Era II). To the contrary, however, Para-man had been possessed by Malice sometime after the Marauder affair. Para-man returned years later, infiltrated Alert Force, and opened the defenses, allowing his new allies, the Destroyers, to attack. The attack was repelled by a dazed Alert Force, but not before Malice had jumped from Para-Man to Dreadnought to Jack, wreaking havoc on the team. Malice again escaped the clutches of Alert Force.

Alert Force was stalked by a nearly invisible, certainly undetectible, malevolent entity who had the ability to escape via uncanny luck. He attacked Alert Force mansion itself, shot Ice Avenger in the back and neck, and escaped capture by the other team members. Another encounter occurred in downtown New York City, and "Mr. Lucky," as Alert Force named him, barely escaped again when Jack of all Trades slipped on a skateboard which came rolling into his path just as he closed in on the fiend. The criminal was never captured. His murderous spree, which included mostly mutants, ended several months later, and Alert Force could never pick up his trail.

After Alert Force was cleared of the charges which the Avengers were hunting them over, Captain America himself actually asked Alert Force to help the Avengers. The Avengers had been appointed by the government to act as custodians over an old cave which had once acted as the headquarters for a superhero group in Pittsburgh during the late sixties. The Avengers had left the lair undisturbed, but had placed motion sensors throughout the old HQ complex. Captain America informed Alert Force that the motion detectors had been set oft, but that the Avengers were being called out of the country on urgent business. He asked Alert Force, as a favor to him, to check out the disturbance in Pittsburgh. When Alert Force arrived, they discovered the hideout, covered in dust. To their surprise, they also uncovered five tubes, used for cryogenic suspended animation of humans. Two of the tubes were empty, recently vacated by the looks of things. One had been shattered beyond repair. The final two had malfunctioned, and the bodies of sixties heroes and Guardian members Midknight and Lone Star lay rotting therein. While investigating the canisters, Alert Force heard a disturbance from down the hall. When they ran to investigate, they stumbled upon a slightly dazed Wall, battling the lithe Shadow Warrior in the hangar. Both attacked Alert Force. An interesting battle ensued before it was determined that no one present really meant any harm to the others. It was eventually discovered that Shadow Warrior had broken into the lair, selling oft both the alarms and the automatic revival system which had brought the Wall out of his deep slumber. The Wall was a member of the Guardians, and one of the empty tubes had been his. He could not explain how he got into the tube, or the condition of any of the other tubes. Besides the outmoded (but still functioning) computer system, the only thing of value in the caves was a Model 3 Avengers Quinjet (which had been given by the original Avengers to the Guardians back in the sixties), which was actually still usable. Alert Force took the jet back to New Jersey to effect repairs. The Wall and Shadow Warrior both decided to join Alert Force. However, the Wall's first action after joining was to steal the Quinjet, retrieve the bodies of his colleagues Midknight and Lone Star, and launch them into orbit in the Quinjet set for auto pilot.

The team leader in Era II was the Protector, a mutant with aspirations to power. He sympathized with Ice Avenger's desire to protect mutants, but thought Ice Avenger was going about it all wrong. The Protector was courted by the ultra secret super society of mutants known as the Hellfire Club, to join them as their White Bishop. The temptation eventually became too great, and the Protector left Alert Force to join the secret sooiety. No member of Alert Force has seen the Protector since his last goodbye.

One of the greatest contacts ever made by Alert Force was NYPD detective Lieutenant Joseph Spumone. Spumone had the uncanny talent of knowing just what was about to happen, and was always able to provide some vital peice of information at just the right time. Alert Force formed a tenuous relationship with Lt. Spumone, and he helped the team many times. When asked just how he could predict events with such accuracy, or just how he knew some crucial fact, Spumone's reply would always be: "It's my job to know these things."

Loup Garou's battle with Sabretooth early in Era II resulted in wounds far deeper than anyone in Alert Force realized at the time. Although his powenful regeneration healed the scars relatively quickly, no one but Loup knew that the intense pain lingered for months. To hide his pain, Loup took ever increasing amounts of mophine. His mutant body built up a tolerance to the drug so quickly that he soon was taking doses which by all rights should have killed him. His deteriorating psychological condition, accelerated by the death of his lover, Christine Spar, eventually resulted in a suicide attempt which was thwarted by the Wall.

Jack of All Trades was always rebel ious. He was always tolerated by both Ice Avenger and Dreadnought when they had each been team leader, because of his unique abilities. However, during Era II, when the Protector became team leader, he would not tolerate Jack's insubordination. Their conflict came to a head dunng a caper involving the Riddler's break-in of a New York museum. Jack and the Protector disagreed on Jack's role in the plan of attack, and the two actually came to blows on the roof of the museum. Although Ice Avenger and Loup Garou rallied the team to capture the Riddler and thwart his robbery attempt, no one knows the outcome of the epic battle which must have occurred on the roof, since neither had any visible bruises, but neither would talk about the conflict afterwards, either.