The first half of the second season deals with the team facing Thanos, as he competes with them to obtain the Infinity Stones, followed by a five-episode arc detailing the return of Ultron, who plans to exterminate the human race. The rest of the season details the arrival of the Squadron Supreme and their confrontation with the Avengers.
2 - 1The Arsenal Sep. 28, 2014
2 - 2Thanos Rising Oct. 05, 2014- 2 - 3Valhalla Can Wait Oct. 12, 2014
- 2 - 4Ghosts of the Past Oct. 26, 2014
2 - 5Beneath the Surface Nov. 02, 2014
2 - 6Nighthawk Nov. 09, 2014- 2 - 7The Age of Tony Stark Nov. 16, 2014
2 - 8Head to Head Jan. 25, 2015
2 - 9The Dark Avengers Feb. 01, 2015
2 - 10Back to the Learning Hall Feb. 08, 2015
2 - 11Downgraded Feb. 15, 2015
2 - 12Widow's Run Feb. 22, 2015
2 - 13Thanos Triumphant Mar. 01, 2015- 2 - 14Crack in the System Apr. 12, 2015
- 2 - 15Avengers Disassembled Apr. 19, 2015
- 2 - 16Small Time Heroes Apr. 26, 2015
- 2 - 17Secret Avengers Apr. 28, 2015
- 2 - 18The Ultron Outbreak May. 10, 2015
- 2 - 19The New Guy May. 17, 2015
- 2 - 20Terminal Velocity Jul. 05, 2015
- 2 - 21Spectrums Jul. 12, 2015
- 2 - 22Midgard Crisis Jul. 19, 2015
- 2 - 23Avengers' Last Stand Jul. 26, 2015
- 2 - 24Avengers Underground Aug. 02, 2015
- 2 - 25New Frontiers Sep. 13, 2015
- 2 - 26Avengers World Sep. 20, 2015
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