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Every CW Arrowverse Mega-Crossover Event, Ranked

CW’s Arrowverse has had several crossovers over the years. The shared universe of the series started when Flash joined Arrow in 2014. Ever since then a number of superheroes and villains of DC and the Arrowverse have had quite a few crossovers. There were really no bad crossovers per se. Here are the mega-crossover events, ranked.


1. Crisis on Infinite Earths

Crisis on Infinite Earths crossover
Crisis on Infinite Earths

Hands down! Crisis on Infinite Earths is the most epic crossover of the Arrowverse. It took place through five series and is the biggest crossover ever to take place. It is brought in every major superhero – Batwoman, Supergirl, The Flash, Arrow, and Legends of Tomorrow. The heroes got together to fight against the Anti Monitor. It dazzled the DC and Arrowverse fans.

2. Crisis On Earth – X

Crisis On Earth - X Crossover
Crisis On Earth – X

With the perfect timing, airing at the same time Justice League was in theaters. The crossover spanned through all four series. This occurred when the heroes were all gathered at Central City for the wedding of Barry and Iris. A Nazi doppelganger attacked them along with Dark Arrow, Overgirl,  and Reverse-Flash. It was done to kidnap Supergirl and take her heart to save the dying Overgirl. The final battle between the heroes and the Nazi Army is what makes the crossover absolutely amazing.

3. World’s Finest

World's Finest crossover
World’s Finest

The first season of Supergirl aired on CBS. When The Flash joined her on Earth-38, it connected her to the CW multiverse as well. It was the first dual-network crossover to ever happen. It established Supergirl as a part of CW and set grounds for the series jumping to CW from the next season. Though it was a one-episode crossover, it was one of the most entertaining Superhero team-up ever. It showcased an amazing interplay between the two heroes and it opened the door for Supergirl to join Arrowverse completely.

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4. Duet


Another fan favorite one-episode crossover is the Duet. It happened in The Flash season 3 and involved Supergirl, Mon-El, and J’onn J’onzz, along with the Legends of Tomorrow‘s Victor Garber and Arrow’s John Barrowman. An alien called Music Meister puts Supergirl and Flash in a coma. The two fall into a dream reality that has a rule of 1930s musical gangsters. The crossover showed amazing chemistry between the two characters and is one of the finest episodes of the TV series.

5. Invasion


After the Supergirl series jumped to the CW network, a DC comic-inspired crossover happened. The Flash, Team Arrow, and the Legends of Tomorrow joined Supergirl on Earth 1. They battled an alien invasion by Dominators. The middle portion of the episode was also Arrow’s 100th episode and brought a lot of dead characters of the series back into a dream reality. The fans loved to watch the interaction of Supergirl with other heroes of the universe.

6. Elseworlds

Elseworlds Crossover

This crossover spanned through The Flash, Arrow, and Supergirl. The crossover introduced John Deegan and The Monitor, who had found the Book of Destiny and was using it to destroy worlds – preparing for the upcoming Crisis. Oliver Queen and Barry Allen had swapped bodies and had to take over each other’s superhero identities. Only Supergirl could see the truth. A lot of other heroes joined the crossover and it ended up being chaotic.


Related: From Disney Characters to Marvel’s Avengers – Creative Crossovers

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Written by Gargi

Gargi Mishra is the Senior Editor at FandomWire. Serves as the Editor for writers and pens hard-hitting, industry-shaking, ace-tier editorials herself. A film student, she's the repository of everything infotainment at FandomWire. Above all, she loves K-Pop, K-Dramas, and Anime.