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The '''Onslaught OverPower''' promotional Expansion set was released in October 1996 and distributed in packs of Marvel Ultra Onslaught booster packs and inside Marvel Comics comic books in sets of 2.==Distribution=====Marvel Ultra Onslaught===The Character cards were found in Marvel Ultra Onslaught booster packs with a distribution of 1 in 9 packs.The Mission cards were found in Marvel Ultra Onslaught booster packs with a distribution of 1 in 9 packs.===October 1996 Marvel Comics===The following Marvel Comics comic books contained Onslaught OverPower Special and Event cards. There were 2 cards per comic book.* Incredible Hulk #446* 2099: World of Tomorrow #2* Sensational Spider-Man #9* Amazing Spider-Man #416* Spectacular Spider-Man #239* Cable #36* X-Factor #127* Excalibur #102* X-Man #20* X-Force #59==Cards=====Character cards==={| class="wikitable sortable"|-! Character !! Energy !! Fighting !! Strength !! Intellect !! Total !! Inherent Ability !! Card|-| Holocaust || 7 || 2 || 6 || 2 || 17 || ''No Inherent Ability'' || http://overpower.ca/thumb.php?size=200&file=cards/characters/132.png|-| Onslaught || 8 || 2 || 6 || 7 || 23 || ''No Inherent Ability'' || http://overpower.ca/thumb.php?size=200&file=cards/characters/213.png|-| Post || 1 || 6 || 4 || 6 || 17 || ''No Inherent Ability'' || http://overpower.ca/thumb.php?size=200&file=cards/characters/223.png|-| Dark Beast || 1 || 6 || 5 || 7 || 19 || Dark Beast may play any Beast Specials. || http://overpower.ca/thumb.php?size=200&file=cards/characters/74.png|}===Special cards==={| class="wikitable sortable"|-! Character !! Special's Name !! Special's Text !! Special's Code !! Card|-| Holocaust || Apocalyptic Minion || Move all hits from Holocaust's Hits from Current Battle into Permanent Record. Affects Venture Total. || [[GF]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/594.png|-| Holocaust || Consume Lifeforce || Acts as a level 5 Energy attack. If successful, remove 1 hit from Holocaust's Permanent Record. || [[AL]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/595.png|-| Holocaust || Death Cannon || Acts as a level 8 Energy, Strength, Fighting, or Intellect attack. || [[AQ]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/596.png|-| Holocaust || Devastate || All cards currently in opponent's Dead Pile are removed from game. || [[GG]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/597.png|-| Holocaust || Impervious Crystal || Avoid 1 attack. || [[AG]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/599.png|-| Holocaust || Otherworldly Evil || Negate the effect of any 1 Special card played by opponent. || [[AO]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/601.png|-| Onslaught || Baptism by Fire || Remove 1 hit from the Permanent Record of Onslaught or teammate for every card in the Defeated Missions Pile. || [[GC]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/972.png|-| Onslaught || Dark Enigma || Acts as a level 7 Intellect attack. If successful, opponent must move 1 Mission card from the Completed Missions Pile to the Reserve Missions Pile. || [[GB]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/974.png|-| Onslaught || Merciless Conqueror || KO any one of Onslaught's teammates. All of teammate's Hits from Current Battle are discarded and do not get added to Venture Total for this battle. || [[GE]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/976.png|-| Onslaught || Mutant Gestalt || Acts as a level 5 Fighting attack. If successful, acts as a level 1 Energy or Strength Hit. || [[GD]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/977.png|-| Onslaught || Psychic Absorption || Target opponent may not play Specials for remainder of battle. || [[GA]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/978.png|-| Onslaught || Raw Power || Acts as a level 7 Fighting attack. || [[AR]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/979.png|-| Post || Gather Info || Move all of target opponent's Hits from Permanent Record into Hits from Current Battle. Affects Venture total. || [[GK]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/1027.png|-| Post || Herald of onslaught || Acts as a level 4 Energy, Strength, Fighting, or Intellect attack. May make 1 additional attack. || [[GJ]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/1028.png|-| Post || Lethal Tester || Post may attack any Front Line teammate using 1 of opponent's Placed cards. Teammate may defend. || [[GH]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/1029.png|-| Post || Obfuscate || Post is not affected by Event cards for remainder of game. || [[GI]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/1031.png|-| Post || Protective Plates || Avoid 1 attack. Post may not be attacked for remainder of battle. || [[CW]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/1032.png|-| Post || Strategic Assault || Sort through opponent's Draw Pile. Choose any 1 card and remove it from game. Reshuffle Draw Pile. || [[GL]] || http://overpower.ca/thumb.php?size=200&file=cards/specials/1033.png|}===Mission cards==={| class="wikitable"|-! Character !! Name !! Mission Text !! Number !! Card Front !! Card Back|-| Professor X || Unity In Chaos || Onslaught stands revealed! Gather the combined might of the Avengers and the X-men, and prepare for the pandemonium that is to come. || 1/7 || http://overpower.ca/thumb.php?size=200&file=cards/missions/15.png || http://overpower.ca/thumb.php?size=200&file=cards/missions/15b.png|-| The Hulk || Incredible Forces || The most powerful physical force on the planet is at the command of Onslaught! Triumph now, or face ultimate devastation! || 2/7 || http://overpower.ca/thumb.php?size=200&file=cards/missions/16.png || http://overpower.ca/thumb.php?size=200&file=cards/missions/16b.png|-| Franklin Richards || Child of the future || The nightmare of darkness grows as Franklin Richards becomes one with Onslaught. Cast aside prejudice and unite with your enemies in an effort to achieve a greater good. || 3/7 || http://overpower.ca/thumb.php?size=200&file=cards/missions/17.png || http://overpower.ca/thumb.php?size=200&file=cards/missions/17b.png|-| Apocalypse & Cable || Display Of Power || The Hellicarrier is destroyed, and Manhattan is in ruins as Onslaught and his minions take the East Coast. Muster your powers and save the denizens of New York. || 4/7 || http://overpower.ca/thumb.php?size=200&file=cards/missions/18.png || http://overpower.ca/thumb.php?size=200&file=cards/missions/18b.png|-| Bastion || Sphere Of Influence || Onslaught's army of Sentinels marches unopposed across the Earth. Race against the clock in order to stop Onslaught's forces before the human resistance uses its nuclear solution. || 5/7 || http://overpower.ca/thumb.php?size=200&file=cards/missions/19.png || http://overpower.ca/thumb.php?size=200&file=cards/missions/19b.png|-| Magneto & Rogue || Desperate Reunion || Divide and conquer. For sacrifice may be your only chance. Struggle to remove a crucial piece of Onslaught with the hope that it will reverse the process that created him! || 6/7 || http://overpower.ca/thumb.php?size=200&file=cards/missions/20.png || http://overpower.ca/thumb.php?size=200&file=cards/missions/20b.png|-| Onslaught || Ground Zero || Face the dual threat of Onslaught and a devastating nuclear strike, and bring the conflict to an end... or a new beginning? || 7/7 || http://overpower.ca/thumb.php?size=200&file=cards/missions/21.png || http://overpower.ca/thumb.php?size=200&file=cards/missions/21b.png|}===Event cards==={| class="wikitable"|-! Name !! Event Text !! Effect !! Card|-| Do or Die! || As a final do-or-die strategy, the heroes decided to save the best for last... || Before discarding, take one card from your hand and put it on the bottom of the draw pile. || http://overpower.ca/thumb.php?size=200&file=cards/events/16.png|-| Fighting Spirit Lives! || As heroes fell by the wayside, their spirit was carried forward for those that remained... || All special cards in your hand may be played by any hero for remainder of battle. || http://overpower.ca/thumb.php?size=200&file=cards/events/17.png|-| Helping Hands || From out of nowhere, the heroes received assistance in their desperate time of need... || Draw two cards after the discard phase. Do not discard if duplicates. || http://overpower.ca/thumb.php?size=200&file=cards/events/19.png|-| On the Move || With no time to think, the heroes charged into battle, as the enemy forces were on the move... || No intellect power cards may be played this battle. Affected power cards are not discarded. || http://overpower.ca/thumb.php?size=200&file=cards/events/20.png|-| Spy Discovered! || The recent acquisition of the enemy's plans proved a temporary victory when a spy was discovered... || After placing, reveal any 4 cards in your hand to your opponent. || http://overpower.ca/thumb.php?size=200&file=cards/events/21.png|}