They are the Earth's Mightiest Heroes and greatest Defenders. They have thwarted the attacks of aliens, monsters and even gods. But now, they face their greatest foe: each other! Loki, the Avengers' fiirst and greatest enemy, has teamed with Dormammu, Master of the Dark Arts, to rebuild the shattered Evil Eye -- enabling the Dark Dimension to expand until it fi nally is able to swallow the Earth and rid the evil pair of their enemies ...forever! But trust between enemies is rare. And soon, each has recruited his former foes as allies. As the Avengers attempt to devise a way to stop the Defenders from succeeding in Dormammu's quest, the Defenders accuse the Avengers of acting under the control of Loki. What follows is a battle between two of comics' most popular super-hero teams! Witness the super-powered match-ups of: Hawkeye vs. Iron Man, Namor vs. Captain America, Hulk vs. Thor, Silver Surfer vs. Vision and Scarlet Witch! Collecting AVENGERS (1963) #115-118, DEFENDERS (1972) #8-11.

Collects Avengers (1963) #115-128, Giant-Size (1974) #1, Defenders (1972) #8-11, Captain Marvel (1968) #33, Fantastic Four (1961) #150. The Avengers battle the Defenders in comics’ first great crossover battle royale! It’s hero against hero in the sensational summer hit of 1973: Cap vs. Namor! Thor vs. Hulk! It’s the original, and there’s never been another one like it. All this, plus the origin of Mantis; an all-hands-on-deck battle with the Zodiac; the Avengers vs. Thanos and the Cosmic Cube; a Giant-Size adventure alongside Golden Age heroes Miss America and the Whizzer; the wedding of Quicksilver and Crystal; the return of Ultron; and an increasingly tense love triangle between the Scarlet Witch, the Vision and Mantis! And as an added bonus feature, rare Avengers pinups, profiles and more from the pages of the ’70s fanzine FOOM!

Collects Tarot (2019) #1-4. An all-new epic teaming Earth’s Mightiest Heroes with Marvel’s premier non-team! A strange and impossible lost memory from World War II draws Namor the Sub-Mariner to his onetime compatriot Captain America — but the two heroes and their respective allies soon find themselves pulled into a labyrinth of madness, pain and destruction courtesy of the Infernal Ichor of Ish’lzog! Avenger must battle Defender as the alchemist Diablo casts cards from the deck of fate, pitting hero against hero for his own nefarious purposes! As chaos spreads, the two groups find themselves confronted by the most unlikely characters in Marvel history! Would you believe - the Unbelievables?! And as the cosmic chaos reaches its peak, the Avengers and Defenders are literally merged — becoming composite costumed champions! But can any of them put an end to the reality-altering madness?

CollectsÿAvengers (1963) #124-125, #129-135; Captain Marvel (1968) #33; Giant-Size Avengers #2-4; Avengers: Celestial Quest #1-8. Follow the fateful saga of the Avenger named Mantis - a tale three decades in the telling! It all begins with the revelations of the Star-Stalker, and soon drags Earth's Mightiest Heroes into a cosmic clash between Captain Marvel and Thanos! But when Kang comes to the present day in search of the Celestial Madonna, Mantis' life is forever altered! In one of the greatest Avengers epics ever told, the besotted Swordsman will go to great lengths to save the woman he loves. Wedding bells will chime, and Mantis will embrace her destiny!

A conflict of star-spanning proportions - with Earth caught in the crossfi re! Those eternal intergalactic enemies, the merciless Kree and the shape-changing Skrulls, have gone to war - and our planet is situated on the front lines! Can Earth's Mightiest Heroes bring about an end to the fi ghting before humanity becomes a casualty of war? And what good are even a dozen super-powered champions against the vast military machines of two of the great empires of the cosmos? The key to victory lies with the expatriate Kree Captain Mar-Vell - and his human host, honorary Avenger Rick Jones! Featuring the trendsetting artwork of Neal Adams, the Kree/Skrull War is universally acknowledged as one of the fi nest and most important sagas in the Marvel canon. Guest-starring the Fantastic Four, Nick Fury of S.H.I.E.L.D. and more! COLLECTING: AVENGERS (1963) 89-97

The greatest non-team in comics gets the Epic treatment! J.M. DeMatteis and Don Perlin take Doctor Strange, the Hulk, Nighthawk, Hellcat and the Son of Satan on wild adventures into the occult - and against each other. These weird tales begin with a broken Eternity, evolve to include demons, Dracula and the Devil-Slayer, and culminate in a double-sized issue #100 extravaganza. If the Defenders can't prevail it'll be Hell on Earth- literally! Collectively known as "The Six-Fingered Hand Saga," it's one of the most compelling Defenders adventures of all time. COLLECTING: VOL. 6; DEFENDERS (1972) #92-109; MARVEL TEAM-UP (1972) #101; CAPTAIN AMERICA (1968) #268.

The God of Thunder takes on The Strongest One There Is as two Marvel Universe heavyweights clash! A rivalry for the ages begins shortly after Hulk quits the Avengers, with a test of strength between former teammates! Things escalate when the jade giant recruits powerful allies of his own, paving the way for Thor vs. Hulk to be the main event of an Avengers/Defenders War! Hammer meets fist again and again, including a journey to Hel and back, and blockbuster bouts between the Odinson and the Red Hulk! It's god against monster, in the Mightiest Marvel Manner of all! COLLECTING: AVENGERS (1963) #3, SUBMARINER (1968) #35, DEFENDERS (1972) #10, INCREDIBLE HULK (1968) #255 AND #440, THOR (1966) #385 AND #489, HULK (2008) #5-6, WHAT IF? (1977) #45; MATERIAL FROM JOURNEY INTO MYSTERY (1952) #112, INCREDIBLE HULK ANNUAL 2001, HULK (2008) #26.