The 2015 offseason saw major change for the AIF, as the defending champion Baltimore Mariners and Cleveland Patriots both folded and the Rochester Raiders suspended operations.
The Cape Fear Heroes left the league to join the X-League Indoor Football.
With only 3 teams remaining from the 2014 season, the AIF expanded on October 10 into Reading, Pennsylvania by taking in the previously independent ASI Panthers.
[1] Also joining later in the day on October 10, was the Saginaw Sting, from the Continental Indoor Football League.
[3] Finally, on December 23, 2014, the Savannah Steam announced they were leaving the X-League to join the AIF.