A new season of Fortnite is upon us. The fate of the island remains uncertain, with a dangerous enemy heading its way. However, a few superheroes and the island's inhabitants have joined forces to defeat this common foe.The new season's narrative is based around Fortnite vs Galactus, or that's what most of us made of the trailer, dubbed the 'Nexus War'.Also read: Fortnite v14.00 early patch notes: Season 4 Battle Pass, seasonal theme, new bug fixes and moreAlong with freshly arrived paladins and mysterious storyline developments, a horde of smaller changes, including weapon nerfs and new locations, have also made their way in-game.For now, the Fortnite Season 4 storyline seems to be moving in a direction where Marvel's heroes and the game's characters work together to stop 'Galactus' from consuming the Fortnite universe.Fortnite Season 4: All weapon changes — Vault/UnvaultThis has to be among one of the best updates to the game, as it sees the unvaulting of the community-beloved Pump Shotguns. A few more weapons, such as the Tactical SMG, will also be making their appearance in the game.The followings items have been Unvaulted and added back into the game in Season 4 of Fortnite:Bounce PadTactical SMGPump ShotgunsScoped Assault RifleRevolver (Legendary and Epic)Combat ShotgunsShockwave grenadeBoogie BombsPort-A-FortTrapsAlso read: Fortnite: iOS and Android receive 500MB Update, Tart Tycoon Outfit rewardedFull list of Items that have been Vaulted in the new season:Launch PadsTac ShotgunsPistols (Legendary/Epic)Regular SMGSStink BombHunting RiflesDecoy BombsRapid Fire SMGsPlayers can expect a whole new experience with the Fortnite Season 4 update. Additionally, these changes to the weapons pool should be alluring to swarms of old players.Moreover, the rumours of a new 'energy weapon' seem accurate, as it was spotted in the Fortnite Chapter 2 Season 4 trailer. Here is an image showcasing the same:New weapon!?:Stark Industries Energy Rifle pic.twitter.com/GkJ0hshs5q— Mikey - Fortnite Leaks (@FNBRHQ) August 27, 2020Fortnite Season 4: Map changesSeveral map changes have also made their way in-game with the new update. Following is a list of few significant changes that will be effective immediately:Pleasant Park is now known as Doom's Domain.Two new POI's, titled 'Sentinel Graveyard' and 'Helicarrier', have been added to the map.A new Avengers-themed POI is rumoured to drop shortly as the season progresses.'The Agency' is now completed deserted, with no henchmen and bosses around.New POIs: Doom's Domain, Sentinel Graveyard & Helicarrier! pic.twitter.com/x7S7Ex9rqt— ShiinaBR - Fortnite Leaks (@ShiinaBR) August 27, 2020Fortnite Season 4: Marvel superhero abilitiesSome of the Marvel superheroes like Groot and Doctor Doom have had some abilities added, which was tracked by Skin-Tracker. Here are the added powers:Another ability/pickup:Name:Doctor Doom's Mystical BombDesc.:Conjure and throw a large ball of arcane energy that explodes on impact. pic.twitter.com/1MrczVL0PR— Skin-Tracker (@SkinTrackerCom) August 27, 2020Also read: Fortnite: Top five Unvaulted weapons that need to return in Chapter 2, Season 4Some more Marvel Heroes abilities/pickups:Name:Groot's Bramble ShieldDesc:Be enveloped in Groot's embrace. Block incoming damage and heal nearby players. Reactivate to cancel early. I am Groot. pic.twitter.com/2ZtATyFfsL— Skin-Tracker (@SkinTrackerCom) August 27, 2020It will be interesting to see if these abilities are provided to players using the skin in-game, or as part of LTMs, which sounds more reasonable at this point.Also read: Fans angry as Manchester City tease new 'Fall Guys' skin as Lionel Messi announcement